Questions
A particle falls from a height h upon a fixed horizontal plane and rebounds. If e is the coefficient of restitution, the total distance travelled before rebounding has stopped is
detailed solution
Correct option is A
height attains after nth collision is hn=e2nhso total distance travels=h+2e2h+2e4h+2e6h+........ s=h1+e21-e2Talk to our academic expert!
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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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