A ball of mass 0.2kg falls from a height of 45m.on striking the ground,it rebounds in 0.1s with two-third of the velocity with which it struck the ground.calculate
(a) change in momentum of the ball immediately after striking the ground,
(b) the averege force of the ball immediately after the impact.
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answer is
change in momentum of the world military after striking the ground
answer is
change in momentum of the world military after striking the ground
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