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Northa Northa
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A  20.0-N weight slides down a rough inclined plane which makes an angle of  30.0° with the horizontal. The weight starts from rest and gains a speed of 15.0 m/s after sliding 150 m. How much work is done against friction?  Use g = 10 m/s2.
A) 1270 J
B) 1500 J
C) -1500 J
D) 229 J
E) -229 J
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Physics

Physics


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Raj.SRaj.S
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