A man pushes a 8 kg object a distance of 5.0 m upward along a frictionless slope that makes an angle of 30° with the horizontal. His force is parallel to the slope. If the speed of the object decreases at a rate of 1.5 m/s, then the work done by the man is: 220 J 61 J 260 J 200 J

Principles of Physics: A Calculus-Based Text
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ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
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Chapter6: Energy Of A System
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<Q3> A man pushes a 8 kg object a distance of 5.0 m upward along a
frictionless slope that makes an angle of 30° with the horizontal. His force
is parallel to the slope. If the speed of the object decreases at a rate of 1.5
m/s, then the work done by the man is:
<C> 220 J
<C> 61 J
<C+> 260 J
<C> 200 J
Transcribed Image Text:<Q3> A man pushes a 8 kg object a distance of 5.0 m upward along a frictionless slope that makes an angle of 30° with the horizontal. His force is parallel to the slope. If the speed of the object decreases at a rate of 1.5 m/s, then the work done by the man is: <C> 220 J <C> 61 J <C+> 260 J <C> 200 J
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