A machine gear consists of 0.40 kg of iron and 0.16 kg of copper.How much total heat is generated in the part if its temperature increases by 35°C? (Specific heats of iron and copper are 450 and 390 J/kg · °C,respectively. )
A) 910 J
B) 8500 J
C) 4000 J
D) 5300 J

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The Answer of A machine gear consists of 0.40 kg of iron and 0.16 kg of copper.How much total heat is generated in the part if its temperature increases by 35°C? (Specific heats of iron and copper are 450 and 390 J/kg · °C,respectively. )
A) 910 J
B) 8500 J
C) 4000 J
D) 5300 J

A Machine Gear Consists of 0