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Suppose you catch a baseball and then someone invites you

University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman ISBN: 9780321675460 31

Solution for problem 2DQ Chapter 8

University Physics | 13th Edition

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University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman

University Physics | 13th Edition

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Problem 2DQ

Suppose you catch a baseball and then someone invites you to catch a bowling ball with either the same momentum or the same kinetic energy as the baseball. Which would you choose? Explain.

Step-by-Step Solution:
Step 1 of 3

Solution 2DQ The momentum of a body is given by p = mv , where m is the mass of the body and v is the speed. 1 2 The kinetic energy of the body is given by K = m2 Let the mass of the baseball be m and its speed be v. So, its momentum p = mv Kinetic energy k = mv 2 2 Let the mass of the bowling ball be M and let its velocity be V. So, its momentum P = MV 2 Kinetic energy K = MV2 Momentum: Given, mv = MV m V Therefore, the speed of the baseball is more than that of the bowling ball. If mass of the bowling ball is say, 10 times more than that of the baseball, its speed will be 1/10 th that of the baseball. Kinetic energy: If k = K 2 2 2mv = MV 2 mv = MV 2 We know, M > m, then v > V But in the expression for kinetic energy velocity is squared. Therefore, the baseball will have more kinetic energy than the bowling ball even though the latter is heavier. Therefore, you should choose to catch the balls with same m omentum.

Step 2 of 3

Chapter 8, Problem 2DQ is Solved
Step 3 of 3

Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

The answer to “Suppose you catch a baseball and then someone invites you to catch a bowling ball with either the same momentum or the same kinetic energy as the baseball. Which would you choose? Explain.” is broken down into a number of easy to follow steps, and 33 words. University Physics was written by and is associated to the ISBN: 9780321675460. The full step-by-step solution to problem: 2DQ from chapter: 8 was answered by , our top Physics solution expert on 05/06/17, 06:07PM. This full solution covers the following key subjects: Baseball, catch, Energy, ball, choose. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. Since the solution to 2DQ from 8 chapter was answered, more than 822 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: University Physics, edition: 13.

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Suppose you catch a baseball and then someone invites you