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Multiple-Concept Example 7 deals with some of the concepts that are used to solve this problem. A cue ball (mass 5 0.165 kg) is at rest on a frictionless pool table. The ball is hit dead center by a pool stick, which applies an impulse of + 1.50 N ∙ s to the ball. The ball then slides along the table and makes an elastic head-on collision with a second ball of equal mass that is initially at rest. Find the velocity of the second ball just after it is struck. |
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