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A body dropped freely from a height h on to a horizontal plane, bounces up and down and finally comes to rest. the coefficient of restitution is e. the ratio of velocities at the beginning and after two rebounds is

A body dropped freely from a height h on to a horizontal plane, bounces up and down and finally comes to rest. the coefficient of restitution is e. the ratio of velocities at the beginning and after two rebounds is

Grade:10

1 Answers

Neeti
571 Points
8 years ago
Velocity after nth rebound is given by
v = voen where vo is the initial velocity of throw, e is the coefficient of restitution and n is the nth rebound 
for your question, the asnwer is
v = voe2 
so vo/v = 1/e2
 
please approve if you like the answer and feel free to ask any other doubt :)

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