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Physics, 22.06.2019 08:40, kayleewoodard
Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?
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Physics, 22.06.2019 11:00, amcdonald009
Which sound characteristic is not affected by the relative motion of an object
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Physics, 22.06.2019 17:00, deathray4035
Photons with the highest energy have the longest period
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Physics, 22.06.2019 17:30, janicemaxwell123
Does heating a metal wire increase or decrease its electrical resistance? why?
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