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Physics / Physics for Scientists and Engineers: A Strategic Approach with Modern Physics 3 / Chapter 9 / Problem 4CQ

Physics for Scientists and Engineers: A Strategic Approach with Modern Physics | 3rd Edition | ISBN: 9780321740908 | Authors: Randall D. Knight

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A 0.2 kg plastic cart and a 20 kg lead cart can roll

Chapter 9, Problem 4CQ

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QUESTION:

Problem 4CQ

A 0.2 kg plastic cart and a 20 kg lead cart can roll without friction on a horizontal surface. Equal forces are used to push both carts forward for a time of 1 s, starting from rest. After the force is removed at t = 1 s, is the momentum of the plastic cart greater than, less than, or equal to the momentum of the lead cart? Explain.

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QUESTION:

Problem 4CQ

A 0.2 kg plastic cart and a 20 kg lead cart can roll without friction on a horizontal surface. Equal forces are used to push both carts forward for a time of 1 s, starting from rest. After the force is removed at t = 1 s, is the momentum of the plastic cart greater than, less than, or equal to the momentum of the lead cart? Explain.

ANSWER:

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For a 0.2 kg plastic cart and 20 kg lead cart, with equal forces used to push both the carts forward, we need to explain, whether the momentum of plastic cart is greater than, less than, or equal to the momentum of the lead cart.

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