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The coefficient of kinetic friction between a suitcase and the floor is 0.272. If the suitcase has a mass of 60.0 kg , how far can it be pushed across the level floor with 630J of work?
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Question: A solenoid 22.0 cm longand with a cross-sectional area of 0.500cm2 contains 415turns of wire and carries a current of 85.0 A. (a) Calculate the magnetic field in the solenoid. (b) Calculate the energy density i ...
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