Multiple Choice
A 5-kg box is pushed 5 m up a plane that is inclined at 30º with the horizontal.The coefficient of kinetic friction between the box and the plane is 0.20.The change in potential energy of the box is approximately
A) 12.5 J
B) 34.2 J
C) 123 J
D) 345 J
E) 403 J
Correct Answer:
Verified
Correct Answer:
Verified
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