Answered: A 20-kg object sitting at rest is…

A 20-kg object sitting at rest is struck elastically in a head-on collision with a 14-kg object initially moving at +5.0 m/s. Find the final velocity of the 20-kg object after the collision.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter6: Momentum, Impulse, And Collisions

Section: Chapter Questions

Problem 85AP: A 1.25-kg wooden block rests on a table over a large hole as in Figure P6.84. A 5.00-g bullet with...

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Question

A 20-kg object sitting at rest is struck elastically in a head-on collision with a 14-kg object initially moving at +5.0 m/s. Find the final velocity of the
20-kg object after the collision.
O8+7.0 m/s
Ob 17.0 m/s
OC-1.0 m/s
Od.-4.0 m/s
Oe+4.0 m/s

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Step 1: Given data

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Step 2: Define momentum and calculation for initial and final momentum of given system.

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Step 3: Calculation for obtaining relation between final velocities of both objects.

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Step 4: Define Kinetic energy and calculation for initial and final kinetic energy.

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Step 5: Calculation for final velocity of object 1.

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