Question: From what maximum height can a 75-kg person jump without breaking the lower leg bone of either leg? Ignore air resistance and assume the CM

From what maximum height can a 75-kg person jump without breaking the lower leg bone of either leg?
Ignore air resistance and assume the CM of the person moves a distance of 0.60 m from the standing to the seated position (that is in breaking the fall). Assume the breaking strength (force per unit area) of bone is 170 x 106 N/m2, and its smallest cross-sectional area is 2.5 x 10-4 m2.

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