63.28 J

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 block with a mass of 50 kg is dragged on a rough, horizontal surface by a force of 20.0 N at an angle of 60.0° to the horizontal. On this surface, where the kinetic friction coefficient is 0.010, the block has moved 12.00 meters. Find the total change in Blok's kinetic energy.

 
 a)

56.72 J 

 B)

87.10 J

 NS)

-36.05 J

 D)

-14.60 J

 TO)

63.28 J 

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