A machine gear consists of 0.14 kg of iron and 0.19 kg of copper. How much total heat is generated in the part if its temperature increases by 35.0 C°? (Specific heats of iron and copper are 450 and 390 J/kg/°C, respectively.)
a. 4.5E+3 J
b. 4.8E+3 J
c. 5.2E+3 J
d. 2.2E+3 J
e. 2.6E+3 J
b
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