*15-84. A ball is thrown onto a rough floor at an angle 0.
Chapter 15, Problem 15-84(choose chapter or problem)
*15-84. A ball is thrown onto a rough floor at an angle 0. If it rebounds at an angle and the coefficient of kinetic friction is /x, determine the coefficient of restitution e. Neglect the size of the ball. Hint: Show that during impact, the average impulses in the x and y directions are related by /, = Since the time of impact is the same, Fx A/ = iFy A / or Fx = /xFv.
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