Multiple Choice
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
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q57: A slice of bread contains about 90
Q58: A brass cube,10 cm on a side,is
Q59: What temperature increase is necessary to increase
Q60: A hot (70°C)lump of metal has a
Q61: A rectangular steel plate with dimensions of
Q62: Arrange the following units,Calorie,calorie,and Joule from smallest
Q63: Dmitri places one end of a copper
Q63: When heating 2 kg of ice from
Q65: Iced tea is made by adding ice
Q67: 133°F is how many degrees Celsius?<br>A) 31<br>B)