A. A ball dropped onto a trampoline returns to almost the same height after it bounces. Describe the energy transfers and changes to the energy stores of the ball from the point of release to the top of its bounce. b. Describe the energy stores of the ball at the point of release compared with its energy stores at the top of its bounce.

c. Describe how you would use the test in a to see which of three trampolines is the bounciest. ​

-4 on

it's when something is going so fast it makes a loud noise, breaking the sound barrier, for example: a jet makes a loud noise, not only cause of the jet but because they reached a point where they went so fast that you can year the noise from various parts, kinda like a police car, lets say the car was going   so fast that you hear the siren of the cop car right next to you, but the car is probably a mile a way, it's cos the siren was next to you a few seconds if you understand me

false.

explanation:

this statement is false. after falling for 5 seconds, its speed will not be 100 m/s.