A marble ball is rolled on a smooth floor of a room to hit a wall. If the time taken by the ball in returning to the point of projection is twice the time taken in reaching the wall, the coefficient of restitution between the ball and the wall, is« Back to Previous Page

A. 0.25 B. 0.50 C. 0.75 D. 1.0
Posted by Civil Engineer
Asked on August 11, 2016 12:47 pm
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B. 0.50

Posted by Civil Engineer
Answered on August 11, 2016 12:48 pm