Statement of a problem № 41326


The man A has a weight of 175 lb and jumps from rest h = 8 ft onto a platform P that has a weight of 60 lb. The platform is mounted on a spring, which has a stiffness k = 200 lb/ft. Determine (a) The velocities of A and P just after impact and (b) The maximum compression imparted to the spring by the impact. Assume the coefficient of restitution between the man and the platform is e = 0.6. And, and the man holds himself rigid during the motion.

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