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.

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter8: Momentum And Collisions
Section: Chapter Questions
Problem 25P: An object of mass 3.00 kg, moving with an initial velocity of 5.00im/s, collides with and sticks to...
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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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