Question

7.
A ball is dropped on the floor from a height of
10m. It rebounds to a height of 2.5m. If the
ball is in contact with the floor for 0.01 s, then
the average acceleration during contact is
nearly
1) 500/2m/s² upwards
2) 1800-2m/s2 downwards
37500/2m/s2 upwards
4) 1500/2m/s2 downwards​

Answer 1

Answer:

500/2m/s2

Explanation:

add 2.5 10 m 0.01