When the ball is hit on the ground, this work (called potential energy) goes to accelerate the ball (and now is called kinetic energy). When the ball hits the floor this kinetic energy is converted into heat and sound by the impact.
During the bounce, it squashes and comes to a complete stop. As it springs back to its original shape it pushes itself back up off the surface and jumps off the surface like a person doing a standing jump. It can’t bounce back to its original drop height since energy is lost in the ball when it squashes. Most of the energy loss is due to friction inside the ball and it goes into heating the ball. The ball temperature increases slightly every bounce.

A flash of lightning heats the air around it. Then the air moves outward quickly, making the sound of thunder. We see lightning the instant it lights up the sky. But the sound of thunder moves more slowly through the air. So it always comes after we see the lightning. Sometimes, especially at night, we may see lightning, but not hear the thunder because it is too far away

1. Why the front wheels of vehicle lean outwards slightly ?
2. Why do peoples voices sound differently ?
4. Why is an electric bulb less efficient than a fluorescent tube ?
5. How does the pouring of kerosene oil on stagnant on stagnant water contribute to the eradication of malaria ?
6. Why is it dangerous to have charcoal fire burning in a badly ventilated room ?
8. All motions are relative to one another ?
12. Transmission lines carry very high voltages ?

7 questions are left to be answered. Can anybody answer them?

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