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Physics, 01.04.2020 13:16 thelonewolf5020
An electric drill transfers 200 J of energy into a useful energy store. It also transfers 44 J of energy by sound and 48 J of energy by heat. What is the efficiency of this drill?round your answer to the nearest whole number
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A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)
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