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3 years ago

12

A 20.0 kg sled is being pulled across a horizontal surface at constant velocity. The pulling force has a magnitude of 80.0N and

is directed at an angle of 30.0º above the horizontal. Determine the coefficient of kinetic friction.

1 answer:

SSSSS [86.1K]3 years ago

7 0

U = F/R = 80/200cos30
u = 80/100√3
u= 0.46

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