A steel ball bearing is released from a height H and rebounds after hitting a steel plate to a height H. What is true about the collision with the steel plate?

Question

asked Nov 24, 2022 45.2k views

2 Answers

Tim Davies · Answer 1 · 2022-11-30T02:23:05+0000

Answer:

ELASTIC collision

kinetic energy is conservate

Step-by-step explanation:

As the ball bounces to the same height, it can be stated that the impact with the floor is ELASTIC.

As the floor does not move the conservation of the moment

po = pf

-mv1 = m v2

- v1 = v2

So the speed with which it descends is equal to the speed with which it rises

Therefore the kinetic energy of the ball before and after the collision is the same