A man pulls a 4.6-kg sled 50 meters along an angled hill with a force of 36 N, which elevates the man 28 meters above the bottom of the hill. The man then hops on his sled and slides from rest to the bottom of the hill back along his 50 meter path, during which a 299 N frictional force acts upon his sled. How much work in Joules does the man do against friction in pulling the sled up the hill?

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A man pulls a 4.6-kg sled 50 meters along an angled hill with a force of 36 N, which elevates the man 28 meters above the bottom of the hill. The man then hops on his sled and slides from rest to the bottom of the hill back along his 50 meter path, during which a 299 N frictional force acts upon his sled. How much work in Joules does the man do against friction in pulling the sled up the hill?

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