A 542 g block of copper whose temperature is 400 k is, Physics

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A 542 g block of copper whose temperature is 400 k is

A 54.2 g block of copper whose temperature is 400 K is placed in an insulating box with a 120 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 system between the initial state and the equilibrium state?

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Physics: A 542 g block of copper whose temperature is 400 k is

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Physics: A 542 g block of copper whose temperature is 400 k is

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Physics: A 542 g block of copper whose temperature is 400 k is

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