In the figure, a constant external force P = 300N is applied to a 20.0 kg box, which is on a rough horizontal surface. While the force pushes the box a distance of 8.00 m, the speed changes from 0.500 m/s to 2.60 m/s. The work done by friction during this process is closest to 30° 20 kg |< 8.0 m- O A. +2209 J O B. -1948 J OC.-2013 J O D. +1948 J O E. +2013 J
In the figure, a constant external force P = 300N is applied to a 20.0 kg box, which is on a rough horizontal surface. While the force pushes the box a distance of 8.00 m, the speed changes from 0.500 m/s to 2.60 m/s. The work done by friction during this process is closest to 30° 20 kg |< 8.0 m- O A. +2209 J O B. -1948 J OC.-2013 J O D. +1948 J O E. +2013 J
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter7: Conservation Of Energy
Section: Chapter Questions
Problem 50P
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