Physics, 27.10.2020 18:00, emilypzamora11

A steel ball of mass is fastened to a cord that is long and fixed at the far end. The ball is then released when the cord is horizontal (Fig. 9.43). At the bottom of its path, the ball strikes a steel block initially at rest on a frictionless surface. The collision is elastic. Find (a) the speed of the ball and (b) the speed of the block, both just after the collision.

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A steel ball of mass is fastened to a cord that is long and fixed at the far end. The ball is then r...