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Giancoli 7th Edition textbook cover
Giancoli's Physics: Principles with Applications, 7th Edition
7
Linear Momentum
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7-1 and 7-2: Momentum and its Conservation
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7-3: Collisions and Impulse
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7-4 and 7-5: Elastic Collisions
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7-6: Inelastic Collisions
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7-7: Collisions in Two Dimensions
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7-8: Center of Mass (CM)
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7-9: CM for the Human Body
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7-10: CM and Translational Motion
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Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 1
Q

What is the magnitude of the momentum of a 28-g sparrow flying with a speed of 8.4 m/s?

A
0.24 kg m/s0.24 \textrm{ kg m/s}
Giancoli 7th Edition, Chapter 7, Problem 1 solution video poster
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VIDEO TRANSCRIPT

This is Giancoli Answers with Mr. Dychko. A 28-gram sparrow moving at 8.4 meters per second has a magnitude equal to mass times well, speed in this case because it's only the magnitude of the momentum that we are asked for normally, you would say velocity here in which case you would have a vector but in this case, you are just asking what's the magnitude of the momentum so we just need the speed and the mass multiplying together and you get 0.24 kilogram meters per second of momentum.

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