jeffmazz
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i feel really dumb but i have this physics homework question i can't get.
a 20kg sled is being pulled across a horizontal surface at constant velocity. the pulling force has a magnitude of 80N at a 30 degree angle above the horizontal. find the coefficient of kinetic friction.
a 20kg sled is being pulled across a horizontal surface at constant velocity. the pulling force has a magnitude of 80N at a 30 degree angle above the horizontal. find the coefficient of kinetic friction.