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Physics, 22.06.2019 05:30, 444x4gang4
Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is
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Find the mass by adding the numbers from the three sliders
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Physics, 22.06.2019 19:30, isiahb123
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 seasons of the year result from Earths movement, or, around the sun....
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