ur answer is A or also known as
When you push a child on a swing, you are doing work on the child because you are pushing against the force of gravity
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If the collision is inelastic, there is every possibility that the large body will drag the small stationary body along with it in the direction of the collision. Some amount of heat, light and sound energy will also be produced due to the kinetic energy of the large body. I hope the answer helps you.
Answer:
An object decreases in size due to the collision of materials. An object increases in size due to the addition of materials. Gas particles are formed from solar nebula materials.
Answer:
Explanation:
Given
Power Supplied ![[tex]P_{input}=4\ kW](https://tex.z-dn.net/?f=%5Btex%5DP_%7Binput%7D%3D4%5C%20kW)
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Efficiency of the motor 
and 
So, vacuum cleaner delivers a power of
Answer:
I will study about it and tell u
Explanation:
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