College Physics
College Physics
1st Edition
ISBN: 9781938168000
Author: Paul Peter Urone, Roger Hinrichs
Publisher: OpenStax College
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Chapter 8, Problem 1CQ

An object that has a small mass and an object that has a large mass have the same momentum. Which object has the largest kinetic energy?

Expert Solution & Answer
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To determine

Which object has the largest kinetic energy?

Answer to Problem 1CQ

Largest kinetic energy will be of the smaller object.

Explanation of Solution

Given info:

An object that has a small mass and an object that has a large mass have the same momentum.

As we know the momentum is the same therefore the speed for the smaller mass object will be more. Since the kinetic energy of an object is momentum times of speed. Therefore, for the same momentum, the mass of higher speed will have more energy i.e. the smaller mass.

Therefore, the largest kinetic energy will be of the smaller object.

Conclusion

Largest kinetic energy will be of the smaller object.

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Chapter 8 Solutions

College Physics

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