A 3.00 kg object moving to the right at 5.00 ms-1 collides elastically with a 2.00 kg object also moving toward the right at 2.00 ms-1. Find the velocity of each object after the collision.

Physics for Scientists and Engineers: Foundations and Connections
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ISBN:9781133939146
Author:Katz, Debora M.
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Chapter11: Collisions
Section: Chapter Questions
Problem 41PQ: Initially, ball 1 rests on an incline of height h, and ball 2 rests on an incline of height h/2 as...
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A 3.00 kg object moving to the right at 5.00 ms-1 collides elastically with a 2.00 kg object also
moving toward the right at 2.00 ms-1. Find the velocity of each object after the collision.
Transcribed Image Text:A 3.00 kg object moving to the right at 5.00 ms-1 collides elastically with a 2.00 kg object also moving toward the right at 2.00 ms-1. Find the velocity of each object after the collision.
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In elastic collision, total momentum as well as the total kinetic energy of the system must be conserved. Since both the objects are moving in the same directions initially, their initial velocities will be in the same direction. Let 3.00kg object be 1 and 2.00kg object be 2. The momentum conservation principle gives,

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