Coefficient of kinetic friction between box-floor problem
A box weighing 480 N is pushed along a horizontal floor at constant velocity by a force of 230 N parallel to the floor. What is the coefficient of kinetic friction between the box and the floor?
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Two blocks are stacked one on top of the other. the coefficient of friction between the two blocks is 0.20, adn the coefficient of friction between the bottom block adn the floor is 0.10. what is the maximum force you should apply to the bottom bl
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A 0.15 kg mass is on the end of a thing rod that is rotating about its center with an angular frequency of 17 rad/s. The rod is 0.45 m long and has a mass of 0.06 kg. What is the rotational kinetic energy of this system?
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A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 31 m/s, the block hangs vertically down.
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