Questions
A ball is dropped from a height of 5 m. If it rebound upto height of 1.8 m, then the ratio of velocities of the ball after and before rebound is :
detailed solution
Correct option is A
e=v2v1=2gh22gh1=h2h1=1.85=1850=925=35Talk to our academic expert!
Similar Questions
A steel ball is released from a height of 27 m onto a fixed horizontal steel plate. On bouncing the ball rises to a height of 3 m. Then co-efficient of restitution is
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