Steel Blocks a and B,which Have Equal Masses,are at T_A $\degree$

question 52

Multiple Choice

Steel blocks A and B,which have equal masses,are at T_A = 300 $\degree$ C and T_B = 400 $\degree$ C.Block C,with m_C = 2m_A,is at T_C = 350 $\degree$ C.Blocks A and B are placed in contact,isolated,and allowed to come into equilibrium.Then they are placed in contact with block C.At that instant,

• A)T_A = T_B < T_C.
• B)T_A = T_B = T_C.
• C)T_A = T_B > T_C.
• D)T_A + T_B = T_C.
• E)T_A - T_B = T_C.

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