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340_Dynamics 11ed Manual

# 340_Dynamics 11ed Manual - A and B is e and the coefficient...

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Engineering Mechanics - Dynamics Chapter 15 e 0.85 = g 32.2 ft s 2 = Solution: v A 2 gr = Guesses v A' 1 ft s = v B' 1 ft s = v B'' 1 ft s = v C'' 1 ft s = Given W g v A W g v A' W g v B' + = ev A v B' v A' = W g v B' W g v B'' W g v C'' + = ev B' v C'' v B'' = v A' v B' v B'' v C'' Find v A' v B' , v B'' , v C'' , () = v A' v B'' v C'' 1.04 0.96 11.89 ft s = Problem 15-58 The ball A of weight W A is thrown so that when it strikes the block B of weight W B it is traveling horizontally at speed v . If the coefficient of restitution between
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Unformatted text preview: A and B is e , and the coefficient of kinetic friction between the plane and the block is μ k , determine the time before block B stops sliding. Given: W A 1 lb = k 0.4 = W B 10 lb = v 20 ft s = g 32.2 ft s 2 = e 0.6 = Solution: Guesses v A2 1 ft s = v B2 1 ft s = t 1 s = Given W A g ⎛ ⎝ ⎞ ⎠ v W A g ⎛ ⎝ ⎞ ⎠ v A2 W B g ⎛ ⎝ ⎞ ⎠ v B2 + = ev v B2 v A2 − = 338...
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