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On a distance-time graph, which is your independent and dependent variable?
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Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?
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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.
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The electric field inside a cell membrane is 8.0mn/c. what's the force on a singly charged ion in this field?
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On a distance-time graph, which is your independent and dependent variable?...
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