Question

an object is dropped from a height of 20m and it rebounds to a height of 10m after striking the ground calculate the percentage of energy lost​

Answer 1

Answer:

The percentage loss in the kinetic energy is 75%. After rebounds up to a height of 2.5 m. Hence, The percentage loss in the kinetic energy is 75%.

Answer 2

Answer:

14 m

12 m

9 m

6 m

Answer :

A

Solution :

percentage loss of

.