Question

8.
A tennis ball is dropped on the floor from a height of
10 m. It rebounds to a height of 5 m. The ball was in
contact with the floor for 0.01 s. What was its average
acceleration during the contact ? (g=10m/s)
(1) 800 m/s2
(2) 200 m/s2
(3) 1600 m/s2
(4) 2400 m/s2​

Answer 1

Answer:

2400m/s2

Explanation:

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