Physics
Physics, 25.06.2019 02:40, cdxxc9324

38. a worker pulls a 350-n packing crate at constant velocity across a rough floor by exerting a force f = 200.0 n at an angle of 30.0° above the horizontal. what is the coefficient of kinetic friction of the floor?

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Physics, 28.06.2019 13:10, simranhunjin
Two workers are sliding 470 kg crate across the floor. one worker pushes forward on the crate with a force of 450 n while the other pulls in the same direction with a force of 330 n using a rope connected to the crate. both forces are horizontal, and the crate slides with a constant speed. what is the crate's coefficient of kinetic friction on the floor?
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Physics, 17.07.2019 05:10, kezin
Two workers are sliding 390 kg crate across the floor. one worker pushes forward on the crate with a force of 450 n while the other pulls in the same direction with a force of 200 n using a rope connected to the crate. both forces are horizontal, and the crate slides with a constant speed. what is the crate's coefficient of kinetic friction on the floor?
Answers: 3
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Physics, 07.10.2019 17:20, LEXIEXO
Afactory worker pushes a 30.0kg crate a distance of 4.4 m along a level floor at constant velocity by pushing downward at an angle of 31 below the horizontal. the coefficient of kinetic friction between the crate and floor is 0.24. 1-what magnitude of force must the worker apply to move the crate at constant velocity? 2-how much work is done on the crate by this force when the crate is pushed a distance of 4.4m? 3-how much work is done on the crate by friction during this displacement? 4-how much work is done by the normal force? 5-how much work is done by gravity? 6-what is the total work done on the crate?
Answers: 1
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38. a worker pulls a 350-n packing crate at constant velocity across a rough floor by exerting a for...

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