A Machine Gear Consists of 0 $\degree$ ? (Specific Heats of Iron and Copper Are 450 and 0.16

question 19

Multiple Choice

A machine gear consists of 0.10 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 $\degree$ ? (Specific heats of iron and copper are 450 and 390 J/kg* $\degree$ C,respectively. )

• A)910 J
• B)3 800 J
• C)4 000 J
• D)4 400 J

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Rh-Positive

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The contamination of the air by harmful substances including gases, particulates, and biological molecules, leading to adverse effects on health and the environment.

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A city whose economy is primarily based on manufacturing and industrial sectors, often characterized by rapid growth and the influx of workers during the Industrial Revolution.