15-81. The girl throws the 0.5-kg ball toward the wall
Chapter 15, Problem 15-81(choose chapter or problem)
15-81. The girl throws the 0.5-kg ball toward the wall with an initial velocity vA = lOm/s. Determine (a) the velocity at which it strikes the wall at B. (b) the velocity at which it rebounds from the wall if the coefficient of restitution e = 0.5, and (c) the distance s from the wall to where it strikes the ground at C.
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