1.

A_COMPOSITE_ROD_MADE_OF_COPPER_(1.8‚ÄÖ√†√∂‚Àւ•10(-5)_K(-1))_AND_STEEL_(‚ÂÀ√≠¬¨¬±=1.2‚ÄÖ√†√∂‚Àւ•10(-5)_K(-1))_IS_HEATED._THEN?$#

A. It bends with steel on concave side
B. It bends with copper on concave side
C. It does not expand
D. Data is insufficient
Answer» B. It bends with copper on concave side


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