Multiple Choice
A 4.0-kg block starts from rest and slides 5.0 m down a plane inclined at 60º to the horizontal.The coefficient of kinetic friction between the surface and the block is 0.20.The work done by friction on the block is
A) 98.0 J
B) 19.6 J
C) 3.92 J
D) 3.40 J
E) 64.0 J
Correct Answer:

Verified
Correct Answer:
Verified
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