Physics, 18.03.2021 01:30 stephaniem0216
Suppose a conducting rod is moving with a speed of 6.0 m/s perpendicular to a 0.50-T magnetic field on a conducting rail. The rod has a length of 0.25 m and a negligible electrical resistance. The rails also have a negligible electrical resistance. A light bulb is part of the circuit and has a resistance of 120 Ohms. The emf produced by the rod is V, and the current induced in the circuit is A. (Write out numbers without 10-powers, that is, in the standard decimal form)
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A248-g piece of copper is dropped into 390 ml of water at 22.6 °c. the final temperature of the water was measured as 39.9 °c. calculate the initial temperature of the piece of copper. assume that all heat transfer occurs between the copper and the water. remember, the density of water is 1.0 g/m
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Suppose a conducting rod is moving with a speed of 6.0 m/s perpendicular to a 0.50-T magnetic field...
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