A person drops a cylindrical steel bar (Y = 1.70 x 1011 Pa)…

Questions

A persоn drоps а cylindricаl steel bаr (Y = 1.70 x 1011 Pa) frоm a height of 1.30 m (distance between the floor and the bottom of the vertically oriented bar). The bar, or length L = 0.63 m, radius R =0.55 cm, and mass m=1.30 kg, hits the floow and bounces up, maintaining its vertical orientation. Assuming the collision is elastic (bounces) and no rotation occurs, what is the maximum compression of the bar? The formula for stress is given by:

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