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A Fast Pitch. The fastest measured pitched baseball left

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

Solution for problem 21E Chapter 2

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 21E

A Fast Pitch.? The fastest measured pitched baseball left the pitcher’s hand at a speed of 45.0 m/s. If the pitcher was in contact with the ball over a distance of 1.50 m and produced constant acceleration, (a) what acceleration did he give the ball, and (b) how much time did it take him to pitch it?

Step-by-Step Solution:

Solution 21E Step 1 : Let us consider the data given Initial velocity of the baseball v = 0 m/s i Final velocity of the baseball v = 45.0 m/s f Distance travelled by pitcher with ball d = 1.50 m Step 2 : To find the acceleration of the ball We have relation for acceleration as 2ad = v v2 2 f i Here a=acceleration vf final velocity v initial velocity i d= distance travelled Rearrange to find acceleration We get v v 2 a = f i 2d Substituting the values we get 2 2 a = (45 m/s) 0 2×1.5 m a = 2025 m /s 3.0m 2 a = 675 m/s Hence the acceleration transferred to baseball is 675 m/s 2

Step 3 of 3

Chapter 2, Problem 21E is Solved
Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

The full step-by-step solution to problem: 21E from chapter: 2 was answered by , our top Physics solution expert on 05/06/17, 06:07PM. Since the solution to 21E from 2 chapter was answered, more than 890 students have viewed the full step-by-step answer. This full solution covers the following key subjects: acceleration, ball, pitcher, Pitch, DID. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. This textbook survival guide was created for the textbook: University Physics, edition: 13. The answer to “A Fast Pitch.? The fastest measured pitched baseball left the pitcher’s hand at a speed of 45.0 m/s. If the pitcher was in contact with the ball over a distance of 1.50 m and produced constant acceleration, (a) what acceleration did he give the ball, and (b) how much time did it take him to pitch it?” is broken down into a number of easy to follow steps, and 57 words. University Physics was written by and is associated to the ISBN: 9780321675460.

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