Two Metal Spheres Are Made of the Same Material and Have

question 46

Multiple Choice

Two metal spheres are made of the same material and have the same diameter, but one is solid and the other is hollow. If their temperature is increased by the same amount,

• A) the solid sphere becomes bigger than the hollow one.
• B) the hollow sphere becomes bigger than the solid one.
• C) the two spheres remain of equal size.
• D) the solid sphere becomes heavier and the hollow one lighter.
• E) the solid sphere becomes lighter and the hollow one heavier.

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Definitions:

Margin

The difference between selling price and cost of goods sold, often expressed as a percentage of sales, highlighting profitability.

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Metrics used to assess the efficiency and effectiveness of an operation or employee.

Inventory

Materials and products that a business keeps for the ultimate goal of resale or processing.

Return On Investment

A performance measure used to evaluate the efficiency or profitability of an investment relative to the amount of money invested.