Three blocks of the same material (e.g., copper) having masses M1, M2, and M3 are brought into thermal contact inside an isolated system until they reach thermal equilibrium. Before contact, their initial temperatures were T1, T2, and T3 respectively. Assuming no heat is lost to the surroundings, what is the final equilibrium temperature T of the system?

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Physics · Thermal Properties of Matter

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Correct answer

T = M1T1 + M2T2 + M3T3M1 + M2 + M3

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Answer 1

T = M1 + M2 + M3M1T1 + M2T2 + M3T3

Answer 2

T = M1T1 + M2T2 + M3T33(M1 + M2 + M3)

Answer 3

T = M1T1 + M2T2 + M3T3M1 + M2 + M3

Answer 4

T = T1 + T2 + T33

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