A Machine Part Consists of 0

question 103

Multiple Choice

A machine part consists of 0.10 kg of iron (of specific heat 470 J/kg ∙ K ) and 0.16 kg of copper (of specific heat 390 J/kg ∙ K) .How much thermal energy must be added to the gear to raise its temperature from 18°C to 53°C?

• A)910 J
• B)3800 J
• C)4000 J
• D)4400 J

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Definitions:

Constant-Growth Formula

A formula used to estimate the value of a stock by assuming constant growth in dividends.

Discount Rate

The interest rate charged to commercial banks and other depository institutions on loans they receive from their regional Federal Reserve Bank's lending facility.

Plowback Ratio

The proportion of earnings retained by a company after dividends have been paid out, indicating the level of reinvestment in the business.

Required Return

The minimum expected return an investor demands for holding a particularly risky investment.