Multiple Choice
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
Correct Answer:
Verified
Correct Answer:
Verified
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