Choose the One Alternative That Best Completes the Statement or Answers

question 391

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
-A thermometer reading $84 ^ { \circ } \mathrm { F }$ is placed inside a cold storage room with a constant temperature of $38 ^ { \circ } \mathrm { F }$ . If the thermometer reads $77 ^ { \circ } \mathrm { F }$ in 11 minutes, how long before it reaches $56 ^ { \circ } \mathrm { F }$ ? Assume the cooling follows Newton's L of Cooling:
$$\mathrm { U } = \mathrm { T } + \left( \mathrm { U } _ { \mathrm { O } } - \mathrm { T } \right) \mathrm { e } ^ { \mathrm { kt } } .$$
(Round your answer to the nearest whole minute.)

• A) \(- 20\) minutes
• B) 22 minutes
• C) 4 minutes
• D) 63 minutes

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Definitions:

Price Elasticity

A measure of how much the quantity demanded of a good responds to a change in the price of that good, indicative of the good's necessity or luxury status.

Excise Tax

A tax applied specifically on the sale of certain goods, services, or activities, which is often included in the price of the product.

Elasticity of Labor Supply

The responsiveness of the quantity of labor that workers are willing and able to provide to a change in the wage rate.

Wages

Payments made to workers for their labor, typically calculated on an hourly, daily, or piecework basis.