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A50kg crate is being pushed on a horizontal floor at a constant velocity. the coefficient of kinetic friction between the crate and the floor is 0.1. how much force is applied to the crate?
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If the speed of a particle triples ,by what factor does its kinetic energy increase?
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Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.
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What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?
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Lightning is an example of what phenomenon? a release of a large amount of energy an absorption of a large amount of energy a natural electric circuit a natural electric current
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A50kg crate is being pushed on a horizontal floor at a constant velocity. the coefficient of kinetic...
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