A care package is dropped from an airplane flying at 1000 m above sea level with a velocity of 200 m/s to an island. If it takes the package 15s to fall how far away from the island must the package be dropped?
Answer:
3000
Explanation:
I hope y'all can read this I need help
Answer:
its basically on where u live is more hot or cold. Is rain and snow common or uncommon. where is this. is it easier to live or harder to live wherever u live at. list 12 different organisms in the place u live. and one fun fact its basically about what u see where u in the city u live
Which process is involved in the formation of a galaxy
Answer:
SUN
Explanation:
EARTH
Which of these chemical properties of a sheet of paper
Answer:
Paper is created mainly from organic compounds such as oxygen, carbon, hydrogen. Paper has non-organic compounds also for improving the properties.
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First to answer.
PHYSICAL SCIENCE, PLEASE HELP!
Which items are matter?
Answer:
Mobile phone & battery.
Why is the unit of momentum called derived unit
Answer:
the SI unit of momentum is :- kg.ms-1
and we know that,
kinetic energy = 1/2 mv2
E=p2/2m
p=(2Em)1/2
so the derived units are (J.kg)1/2
Explanation:
WILL REWARD brief history of nuclear power. inventors and or who discovered nuclear power and when it was first used.
Answer:
1951 an experimental nuclear reactor in Arco, Idaho, produces enough electricity to power for light bulbs...... 1954 the atomic energy act authorizes development of nuclear energy for a civilian use.1957 first commercial nuclear-powered Generating Station is built in the shippingport,Pa.Explanation:
● Enrico Fermi was the one who discovered nuclear power.
● nuclear power was first used
[ December 20, 1951]
PLEASE HELP ASAP!! IF YOU CAN
As current increases, the magnetic field strength increases.
a positive charges is brought closer to another positive charge .Explain what happened to the Electric potential as both charges are brought closer together
What should be the ending of the second element in a covalent compound?
-ide
-ium
the prefix
the subscript
Answer:
-ide
Explanation:
the second element is names by taking the stem of the element name and adding -ide. a system if numerical prefixes is used to specify the the number if atoms in a molecule.
Answer:
A. -ide
Explanation:
What is the legal height the player is allowed to serve from a. Above the waist B. Below the waist C. On the waist D. above the chest
Answer: Option B.
Explanation:
I guess that this refers to the Badminton rules, particularly to the position of the racket (or the head of the racket, where the "head" is the part with the net, that you use to hit the shuttle) when serving.
The head of the racket must be swung from below your waist. So the head of the racket must be below your waist before you do the service (With a part of the head is enough).
Then the correct option is B. Below the waist.
What is the direction of the net force that acts on an object undergoing uniform circular motion?
A. The direction of the force is opposite to the object's motion.
B. The direction of the force is the same as the object's motion.
C. The direction of the force is away from the center ot the object's circular path.
D. The direction of the force is toward the center of the object's circular path.
Answer B. the direction of force is the same
i need help with #3 plz and thank you
Which of the following scenarios is possible for the resultant velocity of an airplane in a strong wind to be 150 m/s?
A. The wind is blowing at 10 m/s. The airplane is flying against the wind at 140 m/s.
B. The wind is blowing at 20 m/s. The airplane is flying with the wind at 130 m/s.
C. The wind is blowing at 200 m/s. The airplane is flying with the wind at 50 m/s.
D. The wind is blowing at 50 m/s. The airplane is flying against the wind at 100 m/s.
Answer:
B. The wind is blowing at 20 m/s. The airplane is flying with the wind at 130 m/s.
Explanation:
From Physics we get that resultant velocity of an airplane is the sum of an absolute velocity and a relative velocity, that is:
[tex]\vec v_{A} = \vec v_{W}+\vec v_{A/W}[/tex] (Eq. 1)
Where:
[tex]\vec v_{W}[/tex] - Wind velocity, measured in meters per second.
[tex]\vec v_{A/W}[/tex] - Airplance velocity relative to wind, measured in meters per second.
[tex]\vec v_{A}[/tex] - Airplane velocity, measured in meters per second.
If we assume that [tex]\vec v_{W} = 20\,\hat{i}\,\,\,\left[\frac{m}{s} \right][/tex] (The airplane flies with the wind), [tex]\vec v_{A/W} = 130\,\hat{i}\,\,\,\left[\frac{m}{s} \right][/tex], then the resultant velocity of the airplane is:
[tex]\vec v_{A} = 20\,\hat{i}+130\,\hat{i}\,\,\,\left[\frac{m}{s} \right][/tex]
[tex]\vec v_{A} = 150\,\hat{i}\,\,\,\left[\frac{m}{s} \right][/tex]
Therefore, correct answer is B.
Answer:
B. The wind is blowing at 20 m/s. The airplane is flying with the wind at 130 m/s.
Explanation:
A gas always spreads out to fill all available space.
True or False
Science Hw
Answer:
true
Explanation:
i know this im in 6th grade
This is True. Gases spread around freely and take up any available space. For example, there is oxygen. Oxygen is a gas we breathe in and spreads around freely, taking up any space.
A girl lifts a ball of 2 kg from the ground up vertically a height of 0.5 meters. How much
work does she do?
What is a non-example of Newton's 3rd law of motion?
Answer:
Unbalanced forces are not examples of Newton's third law because not all opposite reactions are unbalanced forces.
Explanation:
Help! Please: Which is elastic and which is inelastic
How can a small boy balance a big boy
on asea- saw ? Show with a diagram
Answ
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Explanation:
Explain how mass and velocity play a big role in the amount of momentum an object has.
Answer:
Momentum is directly proportional to the object's mass and also its velocity. Thus the greater an object's mass or the greater its velocity, the greater its momentum. Momentum p is a vector having the same direction as the velocity v. The SI unit for momentum is kg · m/s.
Answer:
Momentum is directly proportional to the object's mass and also its velocity. Thus the greater an object's mass or the greater its velocity, the greater its momentum. Momentum p is a vector having the same direction as the velocity v. The SI unit for momentum is kg · m/s.
Explanation:
What type of energy comes from the motion of tiny particles of matter?
Answer: Heat
Explanation: All matter is made of tiny particles called atoms, molecules and ions. These tiny particles are always in motion – either bumping into each other or vibrating back and forth. It is the motion of particles that creates a form of energy called heat (or thermal) energy that is present in all matter
Describe the stratosphere.
What happens to the air pressure when you get closer to Earth?
What are the layers of the atmosphere?
1. The stratosphere is above the troposphere. This layer of the atmosphere is where planes fly. At the top of the stratosphere, there is a ozone layer.
2. The mesosphere is above the stratosphere. Temperatures drastically drop in the mesosphere. It is the middle layer of the atmosphere.
3. Here are the layers of the atmosphere:
TroposphereStratosphereMesosphereThermosphereExosphereHope this helps you!
In your own words, explain the difference between a conductor and an insulator.
(4th grade)
Answer: There are different kinds of conductors, most notably electrical and thermal conductors. But they are often inclusive of each other (electrical conductors are typically good thermal conductors). A conductor transmits something through its body with high efficiency while an insulator does not transmit very well. In the case of electricity, a conductor transmits electrical energy between two points while an insulator blocks the flow of electricity. Two examples of conductors are copper and silver. Two examples of insulators are wood and styrofoam.
Explanation:
For a substance to change from a gas to a liquid, what must happen to its particles?
Which statement best describes what Kendall can do?
Answer: Explanation:
She can measure the volume and mass of the marble, the volume and mass of the water, and the volume and mass of the graduated cylinder. She can measure the volume and mass of the marble, the volume and mass of the water, and the mass of the graduated cylinder.
Is anyone a boy here lol?
Answer:
yes there are a lot of boys on this platform
10. A flashlight runs on a battery. If the light is left on the battery runs out and the flashlight
stops working. Which claim best describes what has happened to the battery's energy?
Which of the following is a correct example of the current in a light bulb?
60 Joules
60 Volts
60 Watts
60 Amperes
Answer:
60 Amperes
Explanation:
current is the main factor, so current is measured in Amperes
PLEASE HELP!
Which action is an example of a service provided by an organization that receives charitable donations?
A. researching vaccinations
B. advertising new medications
C. contracting to install waiting area carpeting
D. selling hospital supplies for a privately owned company
Answer:
A
Explanation:
Source: Trust me bro
Giving is a kind deed. Giving back to people in need allows you to grow personally and gives you a higher sense of fulfilment. It also makes you feel good to serve others. Thus, option A is correct.
What charitable donations in researching vaccinations?Donations to non-profit organizations are considered charitable contributions. Donations may take the form of cash, non-monetary goods, in-kind services, or volunteer time. According to IRS rules, the donation may be tax-deductible.
If you itemize your deductions, you may deduct gifts of money or other property provided to qualifying organizations for charitable purposes. In general, you can deduct up to 50% of your adjusted gross income, but in some circumstances, there are 20% and 30% limitations.
Therefore, A contribution is a gift given to a cause, humanitarian organization, or charity. A donation can come in many ways, such as cash, alms, services, or tangible objects like furniture, toys, food, or automobiles. A donation could meet a demand for transplantable organs or blood.
Learn more about charitable donations here:
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Two dimensional motion
Answer:
In two-dimensional projectile motion, such as that of a football or other thrown object, there is both a vertical and a horizontal component to the motion. ... The key to analyzing two-dimensional projectile motion is to break it into two motions, one along the horizontal axis and the other along the vertical.
Answer:
In two-dimensional projectile motion, such as that of a football or other thrown object, there is both a vertical and a horizontal component to the motion. ... The key to analyzing two-dimensional projectile motion is to break it into two motions, one along the horizontal axis and the other along the vertical.