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In one day, a 75-kg mountain climber ascends from the

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

Solution for problem 1E Chapter 7

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 1E

In one day, a 75-kg mountain climber ascends from the 1500-m level on a vertical cliff to the top at 2400 m. The next day, she descends from the top to the base of the cliff, which is at an elevation of 1350 m. What is her change in gravitational potential energy (a) on the first day and (b) on the second day?

Step-by-Step Solution:

Solution 1E Step 1: Mass of mountain climber m = 75 kg Climber ascends from level y = 1200 m Vertical cliff to the top y1= 2400 m. The next day, she descends from the top to the base of the cliff, which is at an elevation of y =1350 m. Step 2: (a).Change in gravitational potential energy on first day is P.E = mg(y 2 ) 1 2 P.E = (75 kg)(9.8 m/s )(2400 m 1500 m) 5 P.E = 6.62 × 10 J

Step 3 of 3

Chapter 7, Problem 1E is Solved
Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

This textbook survival guide was created for the textbook: University Physics, edition: 13. The answer to “In one day, a 75-kg mountain climber ascends from the 1500-m level on a vertical cliff to the top at 2400 m. The next day, she descends from the top to the base of the cliff, which is at an elevation of 1350 m. What is her change in gravitational potential energy (a) on the first day and (b) on the second day?” is broken down into a number of easy to follow steps, and 63 words. The full step-by-step solution to problem: 1E from chapter: 7 was answered by , our top Physics solution expert on 05/06/17, 06:07PM. Since the solution to 1E from 7 chapter was answered, more than 363 students have viewed the full step-by-step answer. This full solution covers the following key subjects: day, top, cliff, Energy, climber. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. University Physics was written by and is associated to the ISBN: 9780321675460.

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