Determine the smallest diameter d of the bar

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The 20-lb pendulum is released from rest in the position shown in the figure and strikes an aluminum bar 6 in. long. If the modulus of resilience of aluminum is 170 lb · in./in.³, determine the smallest diameter d of the bar for which the impact can be absorbed without permanent deformation. Assume that the pendulam does not rebound.

Reference no: EM131264416

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