Question

a ball hits a wall horizontally at 10 m/s.it rebounds horizontally at 6m/s.the ball is in contact with wall for 0.2s.what is the acceleration of the ball​

Answer 1

Answer:

1. the answer is 200 m/s ²

Explanation:

u = 10 m/s

v = 6 m/s

t = 0.02 s

a = v -- u / t

a = 6 - 10 / 0.02

a = 200 m/ s²