University Physics with Modern Physics with Mastering Physics (11th Edition)

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8.84: a) The relative speed of approach before the collision is the relative speed at which the balls separate after the collision. Before the collision, they are approaching with relative speed 2 v , and so after the collision they are receding with speed 2 v . In the limit that the larger ball has the much larger mass, its speed after the collision will be
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Unformatted text preview: unchanged (the limit as B A m m in Eq. (8.24)), and so the small ball will move upward with speed 3 v . b) With three times the speed, the ball will rebound to a height time times greater than the initial height....
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  • relative speed, Speed 2: Cruise Control, height time times

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