A cannon is a large-caliber gun that belongs to the artillery category. It typically fires a projectile propelled by an explosive chemical.
What are Cannons?Before smokeless powder was developed in the late 19th century, gunpowder, sometimes known as "black powder," served as the main propellant.
Depending on their intended purpose on the battlefield, different types of gun combine and balance these characteristics to differing degrees. Cannons differ in gauge, effective range, mobility, rate of fire, angle of fire, and firepower.
The word "cannon" is borrowed from a number of languages, with the original meanings typically being "tube," "cane," or "reed."
Therefore, A cannon is a large-caliber gun that belongs to the artillery category. It typically fires a projectile propelled by an explosive chemical.
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what is the repulsivee electrical force between two protons 5.0*10^-15m apart from each other in an atomic nucleus?
The repulsive electrical force between two protons is 3.6 × 10³⁹ N. The result is obtained by using the formula for electrostatic.
What is the formula for electrostatic force?The formula for electrostatic force is
F = kq₁q₂/r²
Where
F = electrostatic force (N)k = Coulomb's constant (9 × 10⁹ Nm²/C²)q₁ and q₂ = charges (C)r = distance between the charges (m)Two protons are apart from each other in an atomic nucleus. The distance between them is 5.0 × 10⁻¹⁵ m.
Find the repulsive electrical force!
Proton has a charge of +1. So, the electrostatic force would be
F = kq₁q₂/r²
F = 9 × 10⁹(1)(1)/(5.0 × 10⁻¹⁵)²
F = (9 × 10⁹)/(2.5 × 10⁻³⁰)
F = 3.6 × 10³⁹ N
Hence, the two protos has repulsive electrical force of 3.6 × 10³⁹ N.
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a group of students are analyzing their results for this activity. they come up with the following explanation: the reason the velocity we measured was lower than the velocity we predicted is that some of the kinetic energy of the marble was converted to thermal energy during the collision. also, after the collision, air friction and bending in the pendulum rod converted more kinetic energy into thermal energy. does this explanation match with the your results? explain your reasoning.
Yes, this explanation matches with the results. The lower velocity that was measured is likely due to some of the kinetic energy of the marble being converted to thermal energy during the collision.
What is kinetic energy?Kinetic energy is the energy of motion. It is the energy associated with an object's movement, or the energy of a system due to the motion of its parts. Kinetic energy is defined as the work needed to accelerate an object of a given mass from rest to its stated velocity.
This is because when two objects collide, some of the kinetic energy is converted to thermal energy. Additionally, air friction and bending in the pendulum rod can also reduce the velocity of the marble by converting more of its kinetic energy into thermal energy. Thus, both of these factors could explain the discrepancy between the measured and predicted velocities.
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1/15 - 1/10 = 1/di
focal length is 15 and distance of object is 10. what is the distance of the image?
The distance of the image, given that the focal length is 15 cm and the object has a distance of 10 cm is -30 cm
How do I determine the distance of the image?The relationship between focal length, object and image distance is given by the following mirror formula:
1/f = 1/v + 1/u
Where
f is the focal length v is the image distanceu is the object distanceUsing the above formula, we can obtain the distance of the image as illustrated below:
Focal length (f) = 15 cmDistance of object (u) = 10 cmDistance of image (v) =?1/f = 1/v + 1/u
Rearrange
1/v = 1/f - 1/u
v = (f × u) / (u - f)
v = (15 × 10) / (10 - 15)
v = 150 / -5
v = -30 cm
Thus, we can conclude that the distance of the image is -30 cm
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Two balls of unequal mass traveling at different speeds collide head-on and rebound in opposite
directions.
1) How does the force that ball A exerts on ball B compare to the force that ball B exerts on ball A?
2) How do the impulses received by both balls compare?
3) How do the sums of the momenta of the balls before and after the collision compare?
Can someone please answers these for me i need help.
Any incident where two or more bodies exert forces on each other quickly is referred to be a collision in physics.
When two objects collide Which of these is are true?TRUE - Any time two things collide, they apply an equal and opposing amount of force to one another. Simple Newton's law of action-reaction, this.Concussion, impact, and shock are a few typical synonyms for collision. Despite the fact that all of these phrases refer to "a forceful, even violent contact between two or more things," collision means the coming together of two or more things with such force that both or all of them are harmed or their progress is significantly hampered.According to Newton's third law, the force exerted by one marble on the other during a collision is equal in magnitude and directed in the opposite direction. The acceleration of the balls during the impact is determined by Newton's second law since the masses of the balls are equal.To learn more about collision refer to:
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A child with kwashiorkor has a swollen belly appearance due to:
a. Not eating enough protein to synthesize proteins needed to maintain fluid balance or transport fat from the liver.
b. Not eating enough protein to maintain lean body mass.
c. Eating too much starchy gruel.
d. Eating too many fatty foods
The correct option: a. Not eating enough protein to synthesize proteins needed to maintain fluid balance or transport fat from the liver.
Explain the causes for the kwashiorkor?Kwashiorkor is a nutritional condition most frequently observed in areas undergoing famine. It is also known as "edematous malnutrition" due to its relationship with edoema (fluid retention).
It is a type of malnutrition brought on by a diet low in protein. All body parts of those with kwashiorkor are often exceedingly emaciated, with the exception of their ankles, toes, and bellies, which expand with fluid.Kwashiorkor is brought on by a diet that is deficient in protein.This continuous cell regeneration occurs in a healthy human organism. Additionally, protein is crucial for growth during pregnancy and youth. Lack of protein will cause the body to start shutting down its regular processes, including growth, and kwashiorkor may appear.Thus, a child with kwashiorkor will appear to have a bloated stomach as a result of: Not consuming enough protein to create the proteins required to keep the body's fluid balance or move fat from the liver.
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while at rest on a hillside, army the armadillo rolls up into a ball. as a result, they begin to roll down the hill. at a certain moment during the roll, their gravitational potential energy has decreased by 40 j, and their translational kinetic energy has increased by 15 j. by how much has their rotational kinetic energy changed?
The rotational kinetic energy of the armadillo has increased by 25 joules.
This is because the armadillo is rolling down the hill, which means that it is rotating around its center of mass. As it rolls, it is converting its gravitational potential energy into translational and rotational kinetic energy.
Since the gravitational potential energy has decreased by 40 joules and the translational kinetic energy has increased by 15 joules, the remaining 25 joules must have been converted into rotational kinetic energy. This means that the armadillo's rotational kinetic energy has increased by 25 joules.
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If the seat weighs 305 N and a 875 N person is sitting in it, find the tension Thorizontal in the horizontal cable
A person weighing 875 N sitting on a 305 N seat will exert 1180 N of tension on the horizontal cable.
To find the tension in the horizontal cable, we can use the principle of equilibrium. The principle of equilibrium states that in order for an object to be in equilibrium, the sum of all the forces acting on it must be equal to zero. In this case, the seat and the person sitting in it are in equilibrium, so the sum of all the forces acting on it must be equal to zero. We know that the weight of the seat is 305 N, and the weight of the person sitting in it is 875 N. The weight of the seat and the person is the force acting downward on the seat and the person. We also know that the tension in the horizontal cable is the force acting upward on the seat and the person. Therefore, the sum of the forces acting on the seat and the person is:
Tension in horizontal cable - (weight of seat + weight of person) = 0
Tension in horizontal cable = (weight of seat + weight of person) = 305 N + 875 N = 1180 N
So the tension in the horizontal cable is 1180 N.
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a photoelectric experiment is performed by separately shining a laser at 450 nm (blue light) and a laser at 560 nm (yellow light) on a clean metal surface. assume that each laser is above the threshold frequency and delivers the same number of photons per second. a. which laser will eject more electrons per second? b. which laser will eject electrons with greater kinetic energy? c. which laser will eject electrons with shorter de broglie wavelength?
The same amount of energy is delivered to the metal surface by each laser, then the yellow light must be of higher intensity than the blue light. The yellow light must generate more electrons. The blue light has a lower wavelength, then the ejected electrons must have a higher kinetic energy.
What is meant by electrons?
A negatively charged subatomic particle known as an electron can either be free or attached to an atom (not bound).One of the three main types of particles inside an atom, along with protons and neutrons, is an electron that is linked to the atom.The nucleus of an atom is made up of electrons, protons, and neutrons together.The negatively charged particles known as electrons revolve around the outside of the nucleus.For scientists, it can be challenging to monitor them because of how quickly they spin.The tiniest particles in an atom, you can put 2000 of them into a proton, they are drawn to the positive charge of the protons.To learn more about electron refer to
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50% part (a) how much time, in seconds, will it take for the police officer to catch up to the speeding car, assuming that the car maintains a constant speed?
The police officer will take 38.9 seconds to catch up to the speeding car, as assuming that the car maintains a constant speed.
The pace at which an object's velocity with regard to time changes is referred to as acceleration in mechanics. They are endogenous variables, accelerations. The direction of the total force exerted on an object determines the direction of its acceleration.
An object is considered to be moving at a constant speed whenever it covers relatively similar distance in the identical amount of time. When moving at a constant pace, an object covers a certain distance in a fixed amount of time. S = d t is a formula that can be used to express the speed.
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A car speeds past a stationary police officer while traveling 140 km/h. The officer immediately begins pursuit at a constant acceleration of 10.9 km/h/s, just as the driver passes her. A. How much time, in seconds, will it take for the police officer to catch up to the speeding car, assuming that the car maintains a constant speed?
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How many joules of solar energy fall on your back as you work on your tan for 1. 5 h ? express?
It is not possible to determine the exact amount of solar energy in joules that falls on an individual's back while they are sunbathing without additional information such as the individual's location, the time of day, and weather conditions.
How does the duration of time spent tanning affect the amount of solar energy absorbed by a person's skin?The duration of time spent tanning directly affects the amount of solar energy absorbed by a person's skin. The longer a person is exposed to the sun, the more solar energy their skin absorbs. This is because the skin's melanin production increases as it is exposed to the sun's UV rays for longer periods of time. Additionally, the amount of solar energy that reaches the skin's surface increases with longer exposure as the sun's position in the sky changes. It is important to note that prolonged sun exposure can also increase the risk of skin damage and skin cancer. Therefore, it is recommended to limit sun exposure and use sunscreen to protect the skin.
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What force is needed to give a 0.25 kg arrow an acceleration of 196 m/s² question 10 options: 0.25n 49n 196n 748n
The force that is needed to accelerate the arrow is 49 Newtons.
To determine magnitude of the force needed to give a 0.25 kg arrow an acceleration of 196 m/s², we can use the equation of force:
F = ma
where F is the force, m is the mass, and a is the acceleration.
Given that m = 0.25 kg and a = 196 m/s², we can substitute these values into the equation and solve for F:
F = (0.25 kg)(196 m/s²)
F = 49 N
So the force needed to give a 0.25 kg arrow an acceleration of 196 m/s² is 49 N. This is the correct answer out of the options given.
To arrive at this answer we used Newton's second law of motion, which states that the force acting on an object is equal to the mass of the object multiplied by its acceleration. Thus, we were able to use the equation "F = ma" (where F is force, m is mass and a is acceleration) to solve for the force required to accelerate the arrow at 196 m/s².
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how is a beach ball and infrared energy alike
A beach ball and infrared energy are not alike in many ways, as they are quite different things. However, one similarity that can be drawn between them is that they both involve energy.
A beach ball is a physical object made of rubber or plastic and filled with air, that can be bounced or thrown around. It requires energy to move it and make it move.
Infrared energy, on the other hand, is a form of electromagnetic radiation that has a longer wavelength than visible light. It is also known as heat energy and it can be emitted by any object that has a temperature above absolute zero. It can be used for heating, sensing and communication, but also to detect heat from objects and therefore detect objects themselves.
Both the beach ball and infrared energy are forms of energy that can be used in different ways and for different purposes. Although it is not a direct comparison, the beach ball and infrared energy can both be described as having the property of energy.
a ball is thrown from 1.0 m above the ground. the initial velocity is 20 m/s at an angle of 40 degrees above the horizontal. what is the maximum height of the ball above the ground?
1.0 m above the earth, a ball is hurled. 20 m/s at an angle of 40 degrees above the horizontal is the beginning velocity. The ball may rise 9.4 metres above the earth.
The vertical velocity component of the ball's starting velocity can be used to determine the maximum height of a ball thrown at an angle.
v iy = v 0 * sin(),
here v = 0 , initial velocity
it may be used to get the vertical component of the initial velocity.
maximum height , H = v iy2 / (2 * g),
where g = 9.8m/s2
H = (20 sin 40°)²/ 2 X 9.8
H = 165.27/ 19.6
H = 8.4 m
therefore, the maximum height is = 1+ 8.4m = 9.4
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what is the magnitude, in meters per squared second, of the acceleration of the jet as it accelerates along the deck?
With a=11.43 m/s2, option 4 is the proper response. The airplane accelerates to 160+ mph in less than two seconds during a catapult launch.
What is the most straightforward explanation of acceleration?The speed about which velocity decreases is known termed accelerating. Acceleration typically indicates that the speed is changing, but not necessarily. An item that is moving in a circle while maintaining a constant speed is still accelerating because the direction of its motion is shifting.
What are two instances of acceleration?An object's velocity may alter depending on whether it is moving faster, slower, or in a different direction. The moon orbiting the earth and an apple falling to the ground are two instances of acceleration.
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if the solar system was the size of a basketball how far away would the closet star be the closest sun be
The closest star to the Sun is Proxima Centauri, which is about 4.24 light-years away from the Sun. If the Solar System was the size of a basketball, Proxima Centauri would be about 7,967,077,874,073.7 miles away.
That means that Proxima Centauri would be about 5,305,000 times farther away from the Solar System than it is in reality. To put this in perspective, light travels at 186,000 miles per second. It would take Proxima Centauri's light over 8 years to reach the Solar System if it was the size of a basketball. That's over 3 thousand times longer than it would take in reality!
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an atomic nucleus has a net charge of 52e. what is the magnitude of the electric field (in nn/c) at a distance of 3.87 m from the center of the nucleus?
The electric field due to the net charge of the atomic nucleus is found to be 5 x 10⁻¹⁸ C.
The formula for the electric field is,
E = Kq/r²
K is the constant,
q is the charge of the source,
r is the distance from the center of the nucleus.
The charge on the atomic nucleus is given to be 52e and the distance is given to be 3.87 m.
Now, putting values,
E = 9 x 10⁹ x 52 x 1.67 x 10⁻¹⁹/(3.87)²
E = 5 x 10⁻¹⁸ C.
So, the electric field is found to be 5 x 10⁻¹⁸ C.
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The metal wing of an airplane acts like a ""wire"" flying through Earth’s magnetic field. A voltage is induced between the wing tips, and a current flows along the wing, but only for a short time. Why does the current stop even though the airplane continues flying through Earth’s magnetic field?
The current stop even though the airplane continues flying through Earth’s magnetic field because of Lenz's Law and the function of diode.
The current stops flowing even though the airplane continues flying through Earth's magnetic field because the current generates its own magnetic field that opposes the external magnetic field that induced it. This opposing magnetic field is known as Lenz's Law, which states that the direction of induced current is always such as to oppose the change in magnetic flux that causes it. As the current flows along the wing, it creates a magnetic field that opposes the external magnetic field. This opposing magnetic field reduces the external magnetic field, which then reduces the induced voltage, and thus reduces the induced current. Eventually, the induced current reaches a point where it is no longer able to maintain a sufficient opposing magnetic field, and it stops flowing. Additionally, in airplane, there is also a device called diode which is used to rectify the induced alternating current(AC) to direct current(DC) and it only allows current to flow in one direction and stops the current flowing in the opposite direction, which also causes the current to stop flowing. In summary, the current stops flowing in the airplane's wing because of Lenz's Law and the function of diode.
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what is the transition from ocean to cloud
Answer:
In Explanation
Explanation:
The transition from ocean to cloud refers to the process by which water vapour in the ocean rises and condenses into clouds. This process is known as evaporation and is a key component of the water cycle.
Evaporation occurs when the sun's energy heats the surface of the ocean, causing water molecules to gain enough energy to escape into the atmosphere as water vapour. As the water vapour rises, it cools and condenses into tiny droplets, which form clouds. The clouds can be made of water droplets or ice crystals, and they can be observed in the sky in different forms, such as stratus clouds, cumulus clouds, and cirrus clouds.
This process is important for the climate and weather, as clouds play a critical role in regulating the Earth's temperature by reflecting and absorbing solar radiation. Clouds also affect precipitation, as the droplets or crystals in the clouds grow and fall as rain or snow. The transition from ocean to the cloud is also important for the water cycle as precipitation, either in form of rain or snow, replenishes the water in the oceans and rivers.
In summary, the transition from ocean to the cloud is the process by which water vapour in the ocean rises and condenses into clouds, known as evaporation, and is a key component of the water cycle. This process is important for the climate and weather, as clouds play a critical role in regulating the Earth's temperature and affecting precipitation, and replenishing the water in the oceans and rivers.
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after it i releaed, the electric field intantaneouly change to a contant, uniform electric field 2
pointing due outh. 8.49
after the field change, the proton ha returned to it tarting point. What i the ratio of the magnitude of 2
to the magnitude of 1?
You may neglect the effect of gravity on the proton.
The ratio of magnitude 2 to magnitude 1 after the electric field change when the proton returned to its starting point.is 1:1
The protons are ejected into an electric field pointing due north, and after 2 seconds the electric field changes to a constant uniform electric field pointing due south. 8.49 seconds after the field change, the proton returned to its starting point.
The protons were initially stationary and accelerated by the electric field. A proton's acceleration is directly proportional to its electric field and inversely proportional to its mass.
Two oppositely directed fields act on the protons, implying a net acceleration of zero. Therefore, the ratio of the magnitude of electric field 2 to the magnitude of electric field 1 is 1:1.
The ratio of magnitude 2 to magnitude 1 is 1:1
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The total rating of utilization equipment fastened in place, other than luminaires, is not permitted to exceed ____ of the branch-circuit rating if the branch circuit also supplies lighting, other cord-and-plug-connected equipment, or both types of loads
Where lighting units, cord- and plug-connected utilization equipment not fastened in place, or both, are also supplied, the overall rating of fastened-in utilization equipment, excluding luminaires, shall not be greater than 50% of the branch-circuit ampere rating.
What is the appliance's maximum permitted load when it is secured in place? Where lighting units, cord- and plug-connected utilization equipment not fastened in place, or both, are also supplied, the overall rating of fastened-in utilization equipment, excluding luminaires, shall not be greater than 50% of the branch-circuit ampere rating.Branch circuits must be rated in accordance with the overcurrent protection device's setting or the maximum permissible ampere rating.The rating for circuits other than individual branch circuits shall be 15, 20, 30, 40, and 50 amperes.A 15-amp circuit is often served by 14-gauge wire and is protected by a 15-amp circuit breaker or fuse.A 20-amp circuit must be serviced by 12-gauge or 10-gauge wire and protected by a 20-amp breaker or fuse.To learn more about branch-circuit refer
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latitude lines: a. measure angular distances north and south of the equator. b. measure east-west surface distances from the prime meridian. c. converge at the poles. d. always form a great circle.
The parallels of latitude refer to the angular distance, in degrees, minutes and seconds of a point north or south of the Equator.
Define latitude lines?
Lines of latitude, also called parallels, are imaginary lines that divide the Earth. They run east to west, but measure your distance north or south. The equator is the most well known parallel. At 0 degrees latitude, it equally divides the Earth into the Northern and Southern hemispheres.The imaginary lines that run from East to West are called Parallels or Lines of Latitude. The imaginary lines that run North to South from the poles are called Meridians or the lines of Longitude. Lines of Latitude are east-west circles around the globe.Latitudes are imaginary lines that run from west to east, ranging from zero to 90 degrees. Another imaginary line on the globe that divides it into two equal parts at zero degree latitude is called the equator. The equator divides the earth into the Northern Hemisphere and the Southern Hemisphere.
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Rock B ha a ma of 100 kg and i travelling at 7 m/ in the ame direction a rock A. Rock B ha a momentum of 700 kg m/. Rock A and rock B collide and join together. Calculate the velocity of the two rock after the colliion. Show your working.
Velocity is 700kg.If you know the other values of an object's properties, you may determine its momentum or velocity using the momentum equation p is m•v.
After two objects collide, how can you determine their respective velocities?Equation v′=m1v1+m2v2m1+m2 m1 is the mass of object 1, v1 is the initial velocity of item 1, m2 is the mass of object 2, and v2 is the starting velocity of object 2, with v′ = m 1 v 1 + m 2 v 2 m 1 + m 2. v' is the final velocity of the two objects once they move as one unit following the collision.If you know the other values of an object's properties, you may determine its momentum or velocity using the momentum equation p = m•v.If a particle A with mass m is travelling toward a particle B that is stationary with velocities u from infinity, collides with B with final velocities v, and then deflects away with final velocities v, then VR=v- u is the particle's relative velocity.
Explanation:
m*v =100 * 7 = 700 kg.
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A projectile of mass 0.419 kg is shot from
a cannon, at height 6.2 m, as shown in the
figure, with an initial velocity v; having a
horizontal component of 6.7 m/s.
The projectile rises to a maximum height
of 1.6 m above the end of the cannon's barrel
and strikes the ground a horizontal distance
past the end of the cannon's barrel.
Find the magnitude of the initial vertical
velocity vector of the cannon-ball at the end
of the cannon's barrel. The acceleration of
gravity is 9.8 m/s².
The initial vertical velocity of the cannon-ball is 5.6 m/s.
What is the initial vertical velocity of the cannon-ball?The initial vertical velocity of the cannon-ball is calculated by applying the formula for a projectile to reach the maximum height.
Vf² = Vi² - 2gH
where;
Vi is the initial vertical velocityVf is the final vertical velocityg is the acceleration due to gravityH is the maximum vertical height reached by the cannon ballAt maximum height, the final vertical velocity = 0
0 = Vi² - 2gH
Vi² = 2gH
Vi = √ ( 2gH )
Vi = √ ( 2 x 9.8 x 1.6 )
Vi = 5.6 m/s
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Objects with masses of 232 kg and 538 kg are separated by 0.342 m. a 60.6 kg mass in placed midway between them. 538 kg 1232 kg 60.6 kg - 0.342 m. find the magnitude of the net gravitational force exerted by the two larger mnsses on the 60.6 kg mass. the value of the univorsal gravi tational constant is 6.672 × 10-in- m°/kg? answer in units of n 017.leaving che distance botron the 242 kg and che 538 koenasses fixed. at what distarco from the sas ke mass fother than tahinitely remote once) does the 60.6 ka mass experienco a net fored of pay?
No net force is experienced. To find the magnitude of the net gravitational force exerted by the two larger masses on the 60.6 kg mass, we can use the equation for gravitational force.
Gravitational force equation:
F = G * (m1 * m2) / r^2
Where F is the gravitational force, G is the universal gravitational constant, m1 and m2 are the masses of the two objects, and r is the distance between them.
In this case, m1 = 232 kg, m2 = 538 kg and r = 0.342 m.
So, F = G * (232 kg * 538 kg) / (0.342 m)^2
Plugging in the values, we get:
F = 6.672 x 10^-11 N*(m^2)/(kg^2) * (232 kg * 538 kg) / (0.342 m)^2
The magnitude of the net gravitational force exerted by the two larger masses on the 60.6 kg mass is 0.092 N.
To find the distance at which the 60.6 kg mass experiences a net force of zero, we can use the equation for the gravitational force between two masses. Since the force is inversely proportional to the square of the distance between the masses, we can set the force to zero and solve for the distance.
F = G * (232 kg * 60.6 kg) / (r)^2 = 0
r = √((232 kg * 60.6 kg) / (G))
r = √((232 * 60.6) / (6.672 * 10^-11))
r = 2.36*10^-5 m
At this distance, the 60.6 kg mass experiences no net force from the two larger masses, as the gravitational force exerted by the 232 kg mass balances out the gravitational force exerted by the 538 kg mass.
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an electrostatic paint sprayer has a 0.400 m diameter metal sphere at a potential of 23.0 kv. (a) what charge is on the sphere?
To calculate the charge on the metal sphere, we can use the formula:
Q = V × C
where Q is the charge, V is the potential difference, and C is the capacitance.
The capacitance of a sphere is given by:
C = 4 × [tex]\pi[/tex] × ∈ × R
where R is the radius of the sphere, epsilon (∈) is the electric constant and pi is the mathematical constant.
Substituting the given values, we have:
Q = 23000 V × (4 × [tex]\pi[/tex] × 8.854 x 10⁻¹² F/m × (0.4 m / 2))
Solving for Q, we get:
Q = 2.5 x 10⁻⁸ Coulomb
So, the charge on the metal sphere is 2.5 x 10⁻⁸ Coulomb.
What is Coulomb?A coulomb (C) is the unit of electric charge in the International System of Units (SI). It is defined as the amount of electric charge transferred by a constant current of one ampere in one second. Electric charge is a fundamental property of matter, and it is the charge that causes the attraction and repulsion of electric charges. The charge of an electron is -1.60 x 10⁻¹⁹ Coulombs, and the charge of a proton is +1.60 x 10⁻¹⁹Coulombs. Coulombs are used to measure the amount of charge on an object, the amount of charge flowing through a circuit, and the amount of charge stored in a capacitor.
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a large boulder has a volume of 1000 cubic meters and a mass of 3,200,000 kilograms. what is the density of the boulder, in grams per cubic centimeter?
The density of the boulder in gram per centimeter cube is found to be 3.2g/cm³.
The density of the object us calculated as the mass of the body divided by the volume of the body.
So, we can write,
Density = mass/volume
Here, it is given that the mass of the body is 3200000 kg and the volume of that large boulder is 1000 cubic meter.
Now, in order to find the density is grams per cubic centimeter, we use the relation,
1 kg/m³ = 0.001 g/cm³
Now, density of the boulder is,
= 3200000/1000
= 3200
The density in g/cm³.
3200kg/m³ = 3200 x 0.001 g/cm³
Density = 3.2 g/cm³
So, the density of the boulder is 3.2g/cm³.
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a puck slides with speed v on a frictionless sheet of ice at the north pole. in the non-inertial rotating frame of the earth the puck moves in a circle. a) what is the radius of the circle? b) what is the period of rotation? c) now let the puck slides with speed v toward the south on a frictionless sheet of ice at the equator. what is the radius of the circle? d) now let the puck slides with speed v toward the south on a
a) The North Pole is equal to the Earth's radius (6.371 x 10⁶ m).
b) The period of rotation is 24 hours.
c) The puck moves in a circle with a radius of zero.
d) The circle's radius would be R cos(45).
What is rotation, exactly?The process by which an object spins around its own axis is referred to as "rotation." The process by which an object moves around another object is referred to as a "revolution." The Earth's rotation on its own axis, for instance, is what creates the 24-hour day.
a) In the non-inertial rotating frame of the Earth, This is because objects at the poles move in circles with a radius that is equal to the Earth's. This is caused by the Earth's rotation.
b) The puck's period of rotation, or the time it takes for the puck to complete one full revolution, is approximately the length of a day. This is due to the fact that the puck moves as a result of the Earth's rotation, which takes one day to complete.
c) When moving at a speed of v toward the south on frictionless ice at the equator, the puck moves in a circle with a radius of zero. The puck would not travel in a circular path because the Earth's rotation does not cause objects to move in circles at the equator.
d) Because it is the projection of the earth's radius onto the plane perpendicular to the axis of rotation, the circle's radius would be R cos(45). The radius projected at 45 degrees latitude is shorter than the radius projected at the equator.
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The complete question is:
A puck slides with speed v on a frictionless sheet of ice at the North Pole. In the non-inertial rotating frame of the Earth the puck moves in a circle.
a) What is the radius of the circle?
b) What is the period of rotation?
c) Now let the puck slides with speed v toward the south on a frictionless sheet of ice at the equator. What is the radius of the circle?
d) Now let the puck slide with speed v toward the south on a frictionless sheet of ice a ta latitude of 45o. What is the radius of the circle?
a load of laundry consisting of cotton socks is placed in the dryer. an acrylic sock was accidently left in the dryer from the previous load. after the socks are dried, the socks are all charged with static electricity. what method of charging happened in the dryer.
The cotton socks are made of a natural material and the acrylic sock is made of synthetic material. When the socks are tumbled around in the dryer, the friction between the different materials causes electrons to transfer from the acrylic sock to the cotton socks. As a result, the cotton socks become negatively charged and the acrylic sock becomes positively charged. The static electricity observed is the result of the buildup of these opposite charges on the different materials.
What are Electrons?Electrons are subatomic particles that carry a negative electric charge. They are found outside the nucleus of an atom, in the electron cloud or electron shell. Electrons are much lighter than the protons and neutrons that make up the nucleus of an atom, and they are negatively charged, while protons carry a positive charge.
The behavior of electrons is described by quantum mechanics. They occupy specific energy levels or orbitals around the nucleus of the atom, and their movement and behavior are governed by the laws of quantum mechanics.
Electrons are the fundamental building blocks of the atomic and subatomic world, which play a crucial role in the behavior and properties of matter.
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How much power is used if a truck does 50 joules of work in 10 seconds to tow a car?
The truck does 50 joules of work in 10 seconds, so the power used is 5 Watts (W) i.e, 5J/s (Joules per second) .
Evaluating power :The truck does 50 joules of work in 10 seconds, so the power used is:
Power = 50J/10s = 5J/s (Joules per second)
= 5 Watts (W)
It is important to note that the power is a scalar quantity and its unit is Joules per second (J/s) or watts (W).
Alternatively, you can derive power in terms of force and velocity as well as P=F × v.
What is Power?Power is a measure of the rate at which work is done. It is the amount of energy that is used over time. It is a scalar quantity and it has units of Joules per second (J/s) or Watts (W). Work is defined as the transfer of energy from one place to another or the transfer of energy from one system to another. Power is a measure of how fast that work is being done. For example, if a machine does a lot of work in a short amount of time, it has a high power rating.
Power can be calculated by using the formula:
Power = Work / Time
Where Work is the amount of energy that is transferred and Time is the amount of time over which the work is done.
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10. Two students push a 100kg cart from rest up a gentle hill at a constant rate
of 2 m/s how much work was done by the students at the time they reached a
point on the hill 3m above where they began.
After 10 seconds, the final speed is 32 m/s.After 10 seconds, the displacement is 170 m.
How to determine the final velocity ?After 10 seconds, the object's final velocity can be calculated as follows:
Initially traveling at 2 m/s
a = 3 m/s for acceleration
Time (t) equals ten seconds.
Final velocity (v) =
v = u + at
v = 2 + (3 × 10)
v = 2 + 30
v = 32 m/s
Consequently, the object's terminal velocity is 32 m/s.
2. Methods for calculating displacement
After 10 seconds, the object's displacement can be calculated as follows:
Initial speed (u) equals 2 m/s
Final speed (v) is 32 m/s.
The speed of sound is 3 m/s2.
Relocation (s) =
v² = u² + 2as
32² = 2² + (2 × 3 × s)
1024 = 4 + 6s
assemble similar terms
1024 - 4 = 6s
1020 = 6s
6 divided by both sides
s = 1020 / 6
s = 170 m
The displacement is 170 m as a result.
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