Задача id16775

Solve problem 5.1 using the law of conservation of energy. 5.1. A stationary body of mass m descends smoothly onto a massive platform (M>>m), moving at a speed v0=4 m/s. (Fig. 5.1). How long will the body slide along the platform and how far will it travel during this time? Friction coefficient u=0.2.

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