A Machine Gear Consists of 0

question 64

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

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Definitions:

Delivery

The act of transferring something from one party to another, often referring to goods, documents, or titles.

Endorsement

An act of giving one's public approval or support to someone or something, or in finance, the signature on the back of a check necessary for its negotiation.

Alteration

Any change or modification made to something, often referring to adjustments in clothing or documents.

Obligation

An obligation is a legal or moral duty to do or not do something.