Question
A ball strikes a horizontal floor at an angle θ=45°. The coefficient of restitution between the ball and the floor is e=1/2. The fraction of its kinetic energy lost in collision is ?
Read 1 Solution.
it should be 3/8.Vertical velocity is (ucos45)/2 and horizontal is usin45 (supposing the initial velocity to be u) after the collision.
SUSHOVAN HALDAR 9 year ago
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