Solve Prob. 17.114 assuming that the gymnasts change places so that gymnast A jumps onto the plank

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Solve Prob. 17.114 assuming that the gymnasts change places so that gymnast A jumps onto the plank while gymnast B stands at C. Problem 17.114: The plank CDE has a weight of 30 lb and rests on a small pivot at D. The 110-lb gymnast A is standing on the plank at C when the 140-lb gymnast B jumps from a height of 7.5 ft and strikes the plank at E. Assuming perfectly plastic impact and that gymnast A is standing absolutely straight, determine the height to which gymnast A will rise.

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Vector Mechanics for Engineers Statics and Dynamics

ISBN: 978-0073212227

8th Edition

Authors: Ferdinand Beer, E. Russell Johnston, Jr., Elliot Eisenberg, William Clausen, David Mazurek, Phillip Cornwell

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