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An electron, moving west, enters a magnetic field of a certain strength. Because of this field the electron curves upward. What is the direction of the magnetic field?
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Which changes would result in a decrease in the gravitational force btween two objects? check all that apply
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Smallest intensity of a stimulus that you can detect 50 percent of the time is
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A47.2 g block of copper whose temperature is 480 k is placed in an insulating box with a 91.8 g block of lead whose temperature is 200 k. (a) what is the equilibrium temperature of the two-block system? (b) what is the change in the internal energy of the two-block system between the initial state and the equilibrium state? (c) what is the change in the entropy of the two-block system? the heat capacities of copper and lead are 386 j/kg·k and 128 j/kg·k, respectively.
Answers: 1
An electron, moving west, enters a magnetic field of a certain strength. Because of this field the e...
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