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Answer to Question #39825 in Mechanics | Relativity for Sumit

Question #39825
A ball of mass kg, 5.0*10^-2
starting from rest, falls a height of 4.0 m and then collides
with the ground. The ball bounces up to a height of 2.0 m. The collision with the ground
takes place over a time 4*10^-3 s.
Determine (i) the momentum of the ball immediately
before the collision, (ii) the momentum of the ball immediately after the collision and
(iii) the average force of the ground on the ball.
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