A 200 g steel ball hangs on a 1.0-m-long string. The ball is pulled sideways so that the string is at an angle of ? = 45° and then released. At the very bottom of its swing the ball strikes a 500 g steel paperweight that is resting on a frictionless table. To what angle does the ball rebound?
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A 200 g steel ball hangs on a 1.0-m-long string. The ball is pulled sideways so that the string is at an angle of ? = 45° and then released. At the very bottom of its swing the ball strikes a 500 g steel paperweight that is resting on a frictionless table. To what angle does the ball rebound?
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