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Homework Help
Introductory Physics Homework Help
Ball Hitting Stationary Blocks
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[QUOTE="rockerdude1210, post: 5141169, member: 483639"] [h2]Homework Statement [/h2] Objects A and C are made of different materials, with different “springiness,” but they have the same mass and are initially at rest. When ball B collides with object A, the ball ends up at rest. When ball B is thrown with the same speed and collides with object C, the ball rebounds to the left. Compare the velocities of A and C after the collisions. Is vA greater than, equal to, or less than vC? 1. vA > vC 2. vA = vC 3.[B] vA < vC[/B] [h2]Homework Equations[/h2] [/B] P=mv[h2]The Attempt at a Solution[/h2] [/B] I thought that since the ball stopped in the case of A, all of the energy would be transferred to A and that it would have the higher final velocity. However, the correct answer was tha vC was greater than vA and I wasn't sure why [B] [/B] [/QUOTE]
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