The plank CDE has a weight of 30lb and rests on a small pivot at D. The
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The plank CDE has a weight of 30lb and rests on a small pivot at D. The 110lb gymnast A is standing on the plank at C when the 140lb 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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L D Б h 21
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Moment of inertia Velocity of jumper at E Principle ...View the full answer
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Related Book For
Vector Mechanics for Engineers Statics and Dynamics
ISBN: 9780073212227
8th Edition
Authors: Ferdinand Beer, E. Russell Johnston, Jr., Elliot Eisenberg, William Clausen, David Mazurek, Phillip Cornwell
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