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A 75.0-kg painter climbs a ladder that is 2.75 m long and

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

Solution for problem 5E Chapter 6

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 5E

A 75.0-kg painter climbs a ladder that is 2.75 m long and leans against a vertical wall. The ladder makes a 30.0o angle with the wall. (a) How much work does gravity do on the painter? (b) Does the answer to part (a) depend on whether the painter climbs at constant speed or accelerates up the ladder?

Step-by-Step Solution:

Solution 5E Step 1 of 3: The displacement is upward along the ladder and the gravity force is downward so = 180 30 0 w = mg = 735 N s = 2.75 m

Step 2 of 3

Chapter 6, Problem 5E is Solved
Step 3 of 3

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

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A 75.0-kg painter climbs a ladder that is 2.75 m long and