If a Cube of a Certain Metal Increases Its Volume $\circ$

question 13

Multiple Choice

If a cube of a certain metal increases its volume from 15 cm³ to 17 cm³ as the temperature increases from 12 ^$\circ$ C to 28 ^$\circ$ C,what is the metal's linear expansion coefficient?

• A)2.8 * 10^-3 \(\circ\) C^-1
• B)4.0 * 10^-3 \(\circ\) C^-1
• C)7.4 * 10^-3 \(\circ\) C^-1
• D)8.3 * 10^-3 \(\circ\) C^-1

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Definitions:

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High-Low Method

A technique used in managerial accounting to estimate fixed and variable costs associated with production.

Break-Even Point

The financial calculation where total revenues equal total expenses, resulting in no profit or loss.

Variable Costs

Costs that vary in total directly and proportionately with changes in the activity level or volume, such as materials and labor.