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Physics, 21.06.2019 16:30
In raising a 6200-n piano with a pulley system, the movers note that, for every 2.2 m of rope pulled down, the piano rises 0.12 m . ideally, find the force required to lift the piano.
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Gasoline comes from petroleum, which is made from ancient living things. petroleum, therefore, contains a type of energy. a. heat b. nuclear c. biological d. chemical potential
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Physics, 22.06.2019 11:10
An isotope undergoes radioactive decay by emitting radiation that has a â1 charge. what other characteristic does the radiation have?
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The height of a helicopter above the ground is given by h = 3.0 t^2, where h is in meters and t is i...
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