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The statement which correctly describes the all of these given blood cell types is option C. They perform functions that air in maintaining homeostasis.
What is homeostasis ?Any self-regulating mechanism called homeostasis helps biological systems to maintain stability while responding to environmental factors that are best for survival. If homeostasis is achieved, life goes on; if it is not, catastrophe or death result.
The stability obtained is actually a dynamic equilibrium, where circumstances are mostly uniform yet change is constant. All the bodily systems must be in a condition of equilibrium for the body to live and work properly.
When the body is in homeostasis, its levels of acid, blood pressure, blood sugar, electrolytes, energy, hormones, oxygen, proteins, and temperature are maintained at a normal level by being continually adjusted in response to changes both inside and outside the body. Hence, option C is correct.
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You are designing an airport for small planes. One kind of airplane that might use this airfield must reach a speed before takeoff of at least 27. 8 m/s (100 km/h), and can accelerate at 2. 00 m/s^2. A) If the runway is 150 meter long, can this airplane reach the required speed for takeoff? if not, what minimum length must the runway have?
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Therefore, the runways must be at least 193.21 meters long.
What is the runway's required minimum length?Due to that,
The airfield's initial speed is 0 and its final speed is 27.8 m/s.
The airfield is accelerating at a rate of 2 m/s
2 Runway length, where d is 150 meters
Let v' be the speed at which the aircraft reaches the necessary velocity for takeoff.
Using the third equation of motion, calculate v' as follows: v' = 2 ad v' 2*2*150
This speed is insufficient since the airfield needs to accelerate to at least 27.8 m/s before departure.
The runways must now be as long as v' = 24.49 m/s.
Therefore, the runways must be at least 193.21 meters long.
x = v²/2a
x = 193.21 m
Therefore, the runways must be at least 193.21 meters long.
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Sphere 1 has a mass of 4 kg and a velocity of 3.5 m/s, what is its momentum?
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The momentum of Sphere 1 is 14 kg m/s.
What is its momentum?Momentum is a vector quantity that describes the motion of an object. It is calculated by multiplying the mass of an object by its velocity.In this case, the mass of Sphere 1 is 4 kg and its velocity is 3.5 m/s. Therefore, the momentum of Sphere 1 is calculated by multiplying 4 kg by 3.5 m/s, which equals 14 kg m/s.Momentum is a measure of the amount of motion an object possesses, and it is a conserved quantity, meaning that the total momentum of a system is always conserved.Therefore, if two objects interact, the total momentum of the system before the interaction is equal to the total momentum of the system after the interaction.In this case, the momentum of Sphere 1 before and after its interaction with another object will be 14 kg m/s.To learn more about The momentum of a Sphere refer to:
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a rod with a charge of -10 is brought close to a neutral conducting sphere, which is then grounded. after a long time, the ground is removed, followed by the rod. what could be the net charge on the sphere?
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According to the problem the net charge on the sphere would be 0.
What is net charge?Net charge is the total electrical charge of an object when the electrical charges of its protons and electrons are added together. It is calculated by subtracting the number of electrons from the number of protons. Positively charged objects have more protons than electrons, so they have a net positive charge.
When the rod is brought close to the sphere, electrons from the rod will flow to the sphere to balance out the charge, resulting in the sphere becoming negatively charged. When the sphere is grounded, the excess charge will flow to the ground and the sphere will become neutral again. After the ground is removed and the rod is taken away, the net charge on the sphere will again be 0.
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(a) how far from the center of the earth would the net gravitational force of the earth and the moon on an object be zero? (b) setting the magnitudes of the forces equal should result in two answers from the quadratic. explain why there are two positions, but only one where the net force is zero.
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(a) At a Lagrange point that is equally spaced from the Earth and the Moon, there is no net gravitational pull. (b) A single Lagrange point has a net force of zero due to two equal magnitude but opposing forces.
(a) At a location known as a Lagrange point, which is equidistant from both celestial bodies, the net gravitational pull of the Earth and the Moon on an item is zero. The mass of the object and the separation between Earth and Moon will determine the precise distance from the planet's core. (b) There are two locations where the Earth's and Moon's gravitational pulls are equal in strength, but only one location where the net pull is zero. This is due to the fact that although the forces' magnitudes are equivalent, their directions are in opposition, cancelling out at one place while adding up at the other. A Lagrange point is the location where there is no net gravitational force and a stable gravitational environment.
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vector a has a magnitude of 24 units and points in the positive y-direction. when vector b is added to a, the resultant vector a b points in the negative y-direction with a magnitude of 18 units. find the magnitude and direction of b.
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The magnitude of the vector B is 42 units in the negative Y- direction, if it is added to a vector A of 24 units and giving resultant vector of 18 units.
Vector A magnitude, = 24 units
As it is perpendicular the x-axis so, x = 0
So the co-ordinate of the vector A head will be = (0, 24)
Resultant vector magnitude, = -18 units
As it is perpendicular the x-axis so, x = 0
So the co-ordinate of the vector A head will be, R = (0, -18)
A + B = R
B = R - A
B = -18 - 24
B = -42
The coordinate of the vector B, = (0, -42)
A negative sign indicates that the direction of the vector will be along the y-negative axis.
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4. A 50 kg person runs 2 m/s.
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The kinetic energy of the person that runs is 100 J.
What is the kinetic energy of the person?We have to note that the kinetic energy is the energy that is possessed by the object that is in motion. As such, we say that an object has kinetic energy when the object can be seen to be moving from one point to the other.
We know that;
Kinetic energy = 1/2 mv^2
m = mass of the object
v = velocity of the object
As such;
KE = 0.5 * 50 * 2^2
KE = 100 J
The kinetic energy of the runner has been calculated as 100J.
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Missing parts;
A 50 kg person runs 2 m/s. What is the kinetic energy of the person.
what is the electric field at a distance r form an infinite sheet of charge with surface charge density sigma?
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The electric field at distance r from a uniformly charged infinite sheet of charge density σ can be formulated as σ/2ϵ
As per the Gauss's law, the total electric flux through a closed surface is 1/ϵo times the charge enclosed in the surface. It can be denoted as Ф= q/ϵo.
The Electric flux expressed through a closed surface can be written as:
[tex]\int\limits^{} \, E.ds \\\int\limits^{} \, E.ds[/tex] = q/ϵo.
Here, E is the electric field, q is the charge enclosed in the surface and ϵo can be written as the permittivity of the free space.
The electric field computed at distance r from a uniformly charged infinite sheet of charge density σ can be formulated as σ/2ϵ.
In the expression, ϵo is the absolute permittivity of the free space, E is the electric field and σ is surface charge density.
The field is uniform and does not depend on the distance from the plane sheet of charge.
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If a battery produces a voltage of 61V and a current of 19A flows through the circuit, calculate the resistance.
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The resistance of the circuit, given that the battery produces 61 V and a current of 19 A is 3.21 ohms
How do I determine the resistance in the circuit?Ohm's law provides an established relationship between voltage and resistance. This is shown below:
Voltage (V) = Current (I) × resistance (R)
V = IR
Using the above formula, we can obtain the resistance of the circuit. This is illustrated below:
Voltage (V) = 61 VoltsCurrent (I) = 19 AResistance (R) = ?Voltage (V) = Current (I) × resistance (R)
61 = 19 × resistance
Divide both sides by 19
Resistance = 61 / 19
Resistance = 3.21 ohms
Thus, from the above calculation, we can conclude that the resistance is 3.21 ohms
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a police siren emits sound waves at a frequency of 400 hz. if the police car moves toward you at a speed of 27.0 m/s, what siren frequency will you perceive? take the speed of sound to be 343 m/s.
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The siren frequency you will perceive is 430,1 Hz. The result is obtained by using the concept of Doppler effect.
What is the Doppler effect?The Doppler's effect is a phenomenon when the source of a wave and an observer move relative to each other, the frequency heard is not the same with the actual frequency.
The equation of the Doppler effect is
f₀ = [(v ± v₀)/(v ± vs)] × fs
Where
f₀ = observer frequency of soundv = speed of sound waves (340 m/s)v₀ = observer velocityvs = source velocityfs = actual frequency of sound wavesNote:
v₀ (+) if the observer moves closer to the sound source.vs (+) if the sound source moves away from the observer.A police siren emitting sound waves moves toward you with
fs = 400 Hzvs = 27.0 m/sv = 343 m/sFind the frequency you will perceive!
Suppose you are at rest. So, v₀ = 0. The police siren moves toward you. So, vs = (-).The frequency that you will be heard is
f₀ = [(v ± v₀)/(v ± vs)] × fs
f₀ = [(v + 0)/(v - vs)] × fs
f₀ = [343/(343 - 27.0)] × 400
f₀ = (343/319) × 400
f₀ = 430,1 Hz
Hence, you will perceive the siren sound with the frequency of 430,1 Hz.
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why the amplitude of the action potential did not increase as stimulation voltage increased above threshold
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When a threshold is achieved, the neuron must go through a refractory period, that's why the amplitude of the action potential did not increase as stimulation voltage goes above the threshold.
There are 3 very important functions of nerve action potentials. First, the nerve action potential has a very short duration of about 1 mili-sec. Second, nerve action potentials are managed in an all-or-nothing fashion. Third, nerve cells code the intensity of coding information by the frequency.
The size of the action potential does not become larger, when the intensity of the stimulus gets increased. Rather, the frequency increases. In general, the greater the intensity of a stimulus, the greater the number of action potentials or frequency elicited.
Similarly, for the electric motor system, the greater the number of action potentials or frequency in a motor neuron, the greater the intensity of the compression of a muscle that is innervated by that motor neuron.
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Part one objects with masses of 207 kg and 516 kg are separated by 0.482 m. a 31.8 kg mass is placed midway between them. find the magnitude of the net gravitational force exerted by the two larger masses on the 31.8 kg mass. the value of the universal gravitational constant is 6.672 × 10−11 n · m^2/kg^2. answer in units of n. part two leaving the distance between the 207 kg and the 516 kg masses fixed, at what distance from the 516 kg mass (other than infinitely remote ones) does the 31.8 kg mass experience a net force of zero? answer in units of m.
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It has been determined that the 31.8 kg mass experiences a net gravitational force of 1.129105 N from the two larger masses.
What is Magnitude?The absolute or relative direction or size of an object's motion in the sense of motion can be used to define magnitude. It is extensively utilized to convey something's size or scope. In physics, the term "magnitude" typically means "distance" or "quantity."
Elaborating:Take the right to be positive. Sum of forces on the 31.8 kg mass:
∑F = GM₁m / r₁² − GM₂m / r₂²
∑F = G (M₁ − M₂) m / r²
∑F = (6.672×10⁻¹¹ N kg²/m²) (516 kg − 207 kg) (31.8 kg) / (0.482 m / 2)²
∑F = 1.129×10⁻⁵ N.
Repeating the same steps, the second part this time ∑F = 0 and we're solving for r.
∑F = GM₁m / r₁² − GM₂m / r₂²
0 = GM₁m / r₁² − GM₂m / r₂²
GM₁m / r₁² = GM₂m / r₂²
M₁ / r₁² = M₂ / r₂²
516 / r² = 207 / (0.482 − r)²
516 (0.482 − r)² = 207 r²
516 (0.232 − 0.964 r + r²) = 207 r²
119.9 − 497.4 r + 516 r² = 207 r²
119.9 − 497.4 r + 309 r² = 0
r = 0.295 or 1.315.
It is found that r can't be greater than 0.482, so r must be equal to 0.295 m.
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16. (a) a 360-nm thick oil film floats on the surface of a pool of water. the indices of refraction of the oil and the water are 1.50 and 1.33, respectively. when the surface of the oil is illuminated from above at normal incidence with white light, what is the wavelength in vacuum of light, between 400 nm and 800 nm wavelengths that is most weakly reflected?
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Therefore, 540 nm is the wavelength od light that reflects light the least.
In wavelength, what does mean?The Greek symbol lambda () is commonly used to represent a wave's length. Wavelength is defined as the product of the speed (v) and frequency (f) of a travelling wave in a given medium.
The definitions of wavelength and frequencyThe wavelength, which is also the distance between the two wave crests and troughs, is the measurement of wave length. In per second cycles (Hz), the term "frequency" represents the number many vibration that cross a specific area in a second (Hertz). This article talks about the relationship between wavelength and frequency.
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_____ atoms give organic molecules their overall shape; _____ atoms determine the overall chemical behavior of organic molecules.
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Carbon atoms give organic molecules their overall shape; functional group atoms determine the overall chemical behavior of organic molecules.
Carbon atoms are the building blocks of organic molecules, which are molecules that contain carbon atoms bonded to hydrogen atoms. Carbon atoms have four valence electrons, which allows them to form four covalent bonds with other atoms, such as hydrogen, oxygen, nitrogen, and other carbon atoms. This ability to form multiple bonds allows carbon atoms to connect to each other in a variety of ways, creating an almost endless variety of organic molecules with different shapes and properties. Carbon atoms can form single, double or triple bonds with each other and other atoms, which gives rise to different chemical properties and structures of organic molecules. For example, single bonds are relatively weak and allow for rotation around the bond, whereas double and triple bonds are stronger and do not allow for rotation. This difference in bond strength and rotational freedom is the basis for the different types of isomers, compounds with the same chemical formula but different structures and properties. Furthermore, Carbon atoms can also form cyclic structures such as cyclohexane, cyclopentane and aromatic compounds such as benzene and its derivatives. These cyclic structures are planar and have special properties like stability, reactivity and electronic distribution.
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one way carbon moves from the atmosphere to the biosphere is through a process by which plants use light energy and convert it into biochemical energy. what is this process called?
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The process by which plants use light energy and convert it into biochemical energy is called photosynthesis.
What do you mean by photosynthesis?Photosynthesis is a biological process that converts light energy from the sun into chemical energy stored in organic compounds (such as glucose), primarily through the actions of chlorophyll pigments found in plant chloroplasts. It occurs in plants, algae, and some bacteria and is the primary process that provides energy for life on Earth. Photosynthesis is a complex series of reactions that result in the production of glucose (sugar) and the release of oxygen as a by-product.
The process by which plants use light energy and convert it into biochemical energy is called photosynthesis. Photosynthesis is the process by which green plants, algae, and some bacteria convert light energy into chemical energy stored in organic molecules such as glucose. During photosynthesis, carbon dioxide from the air is taken in by the plant and combined with water to produce glucose and oxygen. The glucose produced through photosynthesis serves as the plant's food and energy source, while the oxygen is released into the atmosphere as a by-product. This process of photosynthesis plays a critical role in the carbon cycle, as it helps to remove carbon dioxide from the atmosphere and store it in the biosphere in the form of organic matter.
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Use vector arrows to represent the velocity of a car that travels north at 50 mi/h and then travels east at 25 mi/h.
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Answer:
See below
Explanation:
Assuming they travel at the two velocities for equal amounts of time
19. light from a helium-neon laser has a wavelength of 632.8 nm. the laser beam is aimed at two slits placed 0.800 m from a screen. if you measure the first-order bright line 58.5 mm from the central line, what is the slit spacing?
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The slit spacing is 0.00865 mm, if a light of 632.8 nm wavelength is aimed at two slit placed 0.8 m from a screen.
The wavelength of the helium-neon laser, λ = 632.8 nm = 6.328 × 10⁻⁷ m.
The order of the bright line, n = 1
The distance between the screen and the slit, D = 0.8 m
Distance of the first order bright line, y = 58.5 mm = 58.5 × 10⁻³ m
Let the slit spacing, = d
We know Y = nλD/d
d = nλD/Y
d = (1 × 6.328 × 10⁻⁷ × 0.8)/(58.5 × 10⁻³)
d = 8.65 × 10⁻⁶ m
or d = 0.00865 mm
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sam walks at a constant speed of 5.00m/s along a straight ling from point a to point b. they then walk back along the line from point b to point a at a constant speed of 3.00m/s. what is the velocity speed over the entire trip.
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According to the problem the velocity speed over the entire trip is 0 m/s.
What is velocity speed?Velocity speed is the rate of change of an object's position over a period of time. It is a vector quantity, meaning it has both magnitude and direction. Velocity speed is typically measured in meters per second (m/s) or kilometers per hour (km/h). The magnitude of velocity speed is the rate at which an object moves, while the direction indicates the path it takes. For example, if an object moves 10 meters in 5 seconds, its velocity speed would be 2 m/s in a certain direction. Velocity speed can also be calculated by dividing the distance traveled by the time taken to travel that distance.
This is because velocity is a measure of displacement over time,
and since the total displacement (from point A to point B and back to point A) is 0 meters,
the velocity speed is also 0 m/s.
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if you push on a crate with a horizontal force of 120 n and it slides at constant velocity, how much is the friction acting on the crate?
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The friction acting on the crate is zero. It is because the crate moves with a constant speed. The result is obtained by using the Newton's first law.
What is Newton's first law?Newton's first law states that every object will remain at rest or keep constantly moving in a straight line unless an external force acts upon it.
The equation of Newton's first law can be expressed as
∑F = 0
A crate is pushed horizontally with
Force, F = 120 NConstant velocityFind the friction acting on the crate!
According to Newton's first law, when an object moves at a constant speed, the net force would be zero.
∑F = 0
So, there is no acceleration of the object.
If there is no acceleration, then there is no friction force acting on the object. It means there is no friction acting on the crate.
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4. 20 Points!!!! An electromagnetic wave has a wavelength of 4 x 10−11 m. What band of the electromagnetic spectrum is this in?
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Answer:
An electromagnetic wave with a wavelength of 4 x 10^-11 meters is in the X-ray band of the electromagnetic spectrum.
The electromagnetic spectrum is the range of all types of electromagnetic radiation, arranged according to wavelength or frequency. The different bands of the electromagnetic spectrum include:
radio waves
microwaves
infrared
visible light
ultraviolet
X-rays
gamma rays
X-rays have a wavelength range of around 10^-11 to 10^-8 meters. Therefore, the wavelength of 4 x 10^-11 meters falls within this range and is classified as an X-ray.
A 4000 kg truck traveling at 10 m/s collides with a 1000 kg car that is at rest. Answer the following questions concerning the collision. (Circle all that apply. Consider only the magnitude of the values, ignore the fact that some are negative numbers. )
A) Which experiences a larger force? truck or car or neither
B) Which experiences a larger impulse? truck or car or neither
C) Which experiences a larger change in momentum? truck or car or neither
D) Which experiences a larger change in velocity? truck or car or neither
I will mark brainliest if correct! Please!
Answers
Ignore the fact that some of the values are negative numbers and instead consider their magnitude.
A) Both are experience large force.
B) Both are experience large impulse.
C) Both are experience large momentum.
D) Car experience large change velocity.
What does the word collides mean?collision; collision To come together and have a strong or direct effect is an intransitive verb. The vehicle struck a tree. Hovercraft collision
According to the solving:Utilizing the rule of conservation of momentum, we can find a solution to this issue. If there are no outside forces, the truck-car system's total momentum must be preserved both before and after the collision.
Truck of mass m1 = 4000kg
velocity of truck V1 = 10m/s
Car of mass m2 = 1000kg
let
velocity of car V2
principle of conservation of momentum use
m1V1=m2V2
4000×10=1000×V2
V2=40000/1000
V2=40m/s
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three rocks are thrown with identical speeds from the top of the same building. rock x and rock y both have mass m, while rock z has a mass of 2m. rock x is thrown vertically downward, rock y is thrown vertically upward, and rock z is thrown horizontally. which ball has the greatest speed just before it hits the ground? assume air resistance is negligible.
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Since the three rocks are thrown at the same speed, they all start off at the same speed. However, due to the forces of gravity, rock x and rock y will travel at different rates as they approach the earth.
Rock x, thrown vertically downward, will travel faster just before it touches the ground since it has had more time to accelerate because of gravity. Rock y, which is thrown vertically upward, will travel slower just before it touches the ground because it has had more time to slow down as a result of gravity. Gravity will have had no impact on the horizontally thrown rock z, therefore it will arrive at its destination with the same beginning speed. Gravity is a basic interaction in physics that causes all objects with mass or energy to attract one another. The force that pulls items toward the centre of a planet or other entity is called gravity.
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A driver applies the brake and his car goes from 15m/s² to a halt within 5seconds.how much distance did it travel before coming to a halt
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Answer:
To find the distance the car traveled before coming to a halt, we can use the formula:
distance = initial velocity x time + (1/2) x acceleration x time^2
In this case, initial velocity is 15m/s², time is 5 seconds, and acceleration is -15m/s² (negative because the car is decelerating to a stop).
So, distance = 15m/s² x 5 seconds + (1/2) x -15m/s² x (5 seconds)^2
The distance the car traveled before coming to a halt is approximately 168.75 meters.
energy can exist in numerous forms such as thermal, mechanical, kinetic, potential, electrical, magnetic, chemical and nuclear in a system. the sum of all these energies is called .
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Total energy is the result of adding up all these energies. Multiple types of energy, including thermal, mechanical, kinetic, potential, electrical, magnetic, chemical, and nuclear energy, can exist in a system.
What precisely is a scientific energy?Energy is defined as the ability to "perform work," which is defined as the capacity to exert a force great enough to move an item. Although the definition is ambiguous, the idea behind it is actually fairly simple: electricity simply refers to the force that propels objects. There are two different types of potential energy.
fundamental explanation for energyThe simplest way to define energy is as the capacity to operate. What moves and transforms things is energy. It comes in a variety of shapes and is everywhere. It takes energy to prepare food.
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Two mirrors are placed perpendicular to each other. A beam of light reflects off mirror 1 with incident angle θi = 78 degrees, then reflects off mirror 2 with angle θf
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The angle of refection of the light from the second mirror forms an angle of 12°.
Explain the term reflection of light?When light reflects off a something, that is reflection. The light reflects at a similar angle from a smooth, shining surface, such as glass, water, or polished metal.
The horizontal mirror's reflected ray forms an angle with it, while the vertical mirror's incident ray forms an angle with the horizontal axis.The reflected ray and the initial ray are parallel.This is true for any position-fixed pairs of perpendicular mirrors.Allow ray to collide with vertical mirror at angle θi = 78 degrees.
It is then evident from the diagram that the angle of incidence at the horizontal mirror is (90°−θ) by combining the perpendiculars for two mirrors.
Thus,
θf = 90 - 78
θf = 12°
Thus, angle of refection of the light from the second mirror forms an angle of 12°.
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10. a 1.20-cm-tall object is 50.0 cm to the left of a converging lens of focal length 40.0 cm. a second converging lens, this one having a focal length of 60.0 cm, is located 300.0 cm to the right of the first lens along the same axis. (a) find the location and height of the image (call it i1) formed by the lens with a focal length of 40.0 cm. (b) i1 is now the object for the second lens. find the location and height of the image produced by the second lens. this is the final image produced by the combination of lenses.
Answers
The image (i1) formed by the lens with a focal length of 40.0 cm is located 0.02 m to the right of the lens and has a height of 1.20 cm.
What is lens?Lens is a curved piece of transparent material, typically made of glass or plastic, that is used to refract light in order to form an image.
a) The location and height of the image (i1) formed by the lens with a focal length of 40.0 cm can be determined using the lens equation.
1/f = 1/do + 1/di
Where f is the focal length, do is the object distance, and di is the image distance.
In this case,
f = 40cm
do = 50 cm
Solving for di, we get
1/di = 1/f – 1/do
= 1/40 – 1/50
= 0.04 – 0.02
= 0.02 m
Therefore, the image (i1) formed by the lens with a focal length of 40.0 cm is located 0.02 m to the right of the lens and has a height of 1.20 cm.
b) The location and height of the image (i2) produced by the second lens can be determined using the lens equation.
1/f = 1/do + 1/di
Where f is the focal length, do is the object distance, and di is the image distance.
In this case,
f = 60cm
do = 300 cm
Solving for di, we get
1/di = 1/f – 1/do
= 1/60 – 1/300
= 0.0167 – 0.0033
= 0.0134 m
Therefore, the image (i2) produced by the second lens is located 0.0134 m to the right of the lens and has a height of 0.60 cm.
This is the final image produced by the combination of lenses.
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A 10kg block rest on a horizontal frictionless surface. A constant force of 20 n is applied for 5 seconds.what is the impulse acting on the block? what is the the change in momentum or block? what is the final speed of the block?
Answers
The acceleration is equal to the acceleration of gravity multiplied by the sine of the angle for a frictionless incline of degree.
What is the formula for impulse?The equation p = F net t, Fnet t Fnet The impulse-momentum theorem describes the relationship between the quantities t and. The impulse is equal to the average net external force times the length of time it takes for that force to act, as shown by the equation. The momentum shift is equivalent to it.The acceleration is equal to the acceleration of gravity multiplied by the sine of the angle for a frictionless incline of degree.Mass multiplied by velocity multiplied by change in mass gives the change in momentum.The acceleration is equal to the acceleration of gravity multiplied by the sine of the angle for a frictionless incline of degree.To learn more about acceleration refer to:
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use the worked example above to help you solve this problem. a typical jetliner lands at a speed of 143 mi/h and decelerates at the rate of (10.8 mi/h)/s. if the jetliner travels at a constant speed of 143 mi/h for 1.1 s after landing before applying the brakes, what is the total displacement of the jetliner between touchdown on the runway and coming to rest?
Answers
The displacement due to the constant speed and the displacement due to the deceleration gives a total displacement of 238.5 mi.
What is displacement?Displacement is the measurement of how far an object has moved from its initial position. It is commonly expressed in terms of distance and direction, and is often measured in terms of meters or kilometers. Displacement is a vector quantity, meaning it has both magnitude and direction.
The total displacement of the jetliner between touchdown and coming to rest can be calculated by adding the displacement due to the constant speed for 1.1 seconds and the displacement due to the deceleration over the same time period.
The displacement due to the constant speed of 143 mi/h for 1.1 s is found by multiplying the speed (143 mi/h) by the time (1.1 s) to get 159.3 mi.
The displacement due to the deceleration is found by calculating the average speed of the jetliner between touchdown and coming to rest, then multiplying this average speed by the time (1.1 s). The average speed of the jetliner is found by taking the difference between its initial speed (143 mi/h) and its final speed (0 mi/h) and dividing it by 2. This gives an average speed of 71.5 mi/h. Multiplying this average speed by the time (1.1 s) gives a displacement due to deceleration of 79.2 mi.
Adding the displacement due to the constant speed and the displacement due to the deceleration gives a total displacement of 238.5 mi.
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discuss your observations regarding the velocity and acceleration of a ball undergoing the projectile motion of a basketball shot.
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A ball undergoing a projectile motion of a basketball shot has two components of velocity, 1) horizontal component and 2) vertical component
When a ball undergoes a projectile motion at θ° angle, it possesses two components of velocity, Horizontal component = vcosθ and vertical component = vsinθ. Vertical components always subjected to acceleration due to gravity in downward direction, whereas horizontal component does not have any acceleration. So it remains constant throughout the whole journey.
Time taken by the ball to reach at height, T = (vsinθ)/g
Total time to return to the ground is 2T = 2vsinθ/g
Horizontal range of the ball, R = vcosθ × 2T
= 2vsinθ(vcosθ)/g
= v²sin2θ/g
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conduction is the charging by contact so the uncharged object takes
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A charged object must come into contact with a neutral object to conduct electricity. As a result, when two charged conductors come into contact, the charge is split between the two conductors, charging the uncharged conductor.
Explain the phenomenon of conduction?Among the three primary methods for the transfer of heat energy is conduction.
Heat energy is transferred through the mechanism of conduction when nearby atoms or molecules collide. In liquids and solids where particles are more closely spaced, conduction happens more easily than in gases, when particles are more widely spaced. When there is a significant temperature differential between substances who are in contact, the rate of energy transmission by conduction is increased. Metals, for example, are some solids that effectively transmit heat. Unsurprisingly, insulated handles are seen on a lot of pots and pans. Water and air (a gaseous combination) are poor thermal energy conductors. They're known as insulators.Thus, a charged object must come into contact with a neutral object to conduct electricity.
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while traveling outside the united states, you feel sick. a companion gets you a thermometer, which says your temperature is 39. what scale is that on?
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The thermometer scale used by the companion is based on the Celsius scale during the trip outside of the united states.
While travelling outside of the united states, we are accompanied by the companion.
When we felt sick the companion used the thermometer scale to measure the temperature and the temperature that we get on the scale is 32.
On thinking logically, the scale is based on Celsius scale, the reason for this assumption is because the average human body temperature is 37 degrees Celsius only.
This would not have been the case in terms of the Fahrenheit scale or the Kelvin scale, They would have shown the value that are very high than 37.
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