Physics, 23.08.2019 19:10, lexiecooley
Aworker is using a pulley to lift a 33-kilogram crate. if he applies a force of 129 newtons, the crate is lifted 16.5 meters above the ground and the displacement of the rope is 33 meters. what is the efficiency of the pulley? (given: g = 9.8 meter/second2)
Answers: 3
Physics, 23.06.2019 02:30, Andrewecolt1993
Aforce is a vector quantity because it has both?
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Physics, 23.06.2019 05:30, terrickaimani
Aman jogs at a velocity of 2.5 m/s west for 1,200 s. he then walks at a velocity 1.0 m/s east for 500 s and then stops to rest . what is the displacement of man when he stops to rest?
Answers: 3
Aworker is using a pulley to lift a 33-kilogram crate. if he applies a force of 129 newtons, the cra...
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