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Physics, 22.06.2019 08:40
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?
Answers: 1
Physics, 22.06.2019 10:00
Amira pulls a 3 pound wagon 4 feet. how much work has she done?
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Physics, 22.06.2019 11:30
Which accounts for an increase in the temperature of a gas that is kept a constant volume
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Tritium has a half-life of 12.33 years. what percentage of a sample will remain after 5 years have p...
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