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A110-pound person pulls herself up 4.0 feet. this took her 2.5 seconds. how much power was developed? 0.13 hp 0.32 hp 2.0 hp 3.1 hp
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Physics, 21.06.2019 23:00
In a given chemical reaction, the energy of the products is greater than the energy of the reactants. which statement is true for this reaction?
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Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?
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Physics, 22.06.2019 14:30
A10nc charge sits at a point in space where the magnitude of the electric field is 1500 n/c. what will the magnitude of the field be if the 10 nc charge is replaced by a 20 nc charge? assume the system is big enough to consider the charges as small test charges.
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Electricity is flow of tiny particles called...
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