Question: w A person drops a vertically-oriented, cylindrical steel bar from a height of 3.80 m (measured from the floor to the bottom of the bar).

w A person drops a vertically-oriented, cylindrical steel bar from a height of 3.80 m (measured from the floor to the bottom of the bar). The bar has length L = 0.82 m, radius R = 0.50 cm, mass m = 0.90 kg, and Young's modulus = 8.0 x 10' Pa. The bar hits the floor and bounces back up, maintaining its vertical orientation. Use the gravitational acceleration g = 9.81 m/s>. Assume that the collision with the floor is elastic, and that no rotation oceurs. @ Macmillan Learni What is the maximum compression Al of the bar? & TOOLS x10&quot

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