Two Spheres, Labeled a and B, Have Identical Masses, but Are

question 21

Multiple Choice

Two spheres, labeled A and B, have identical masses, but are made of different substances. The specific heat capacity of sphere A is 645 J/(kg · C°) and that of sphere B is 240 J/(kg · C°) . The spheres are initially at 21 °C; and the same quantity of heat is added to each sphere. If the final temperature of sphere A is 74 °C, what is the approximate final temperature of sphere B?

• A)160 °C
• B)140 °C
• C)110 °C
• D)53 °C
• E)39 °C

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Definitions:

Cost of Goods Sold

The historical cost of products sold as reported in the income statement.

Gross Profit

The difference between revenue and the cost of goods sold, indicating the profitability of a company's core activities.

Goods Available for Sale

The total quantity of goods that a company has in its stock ready to sell at the end of a financial period.

Absorption Costing

An accounting method that includes all manufacturing costs — direct materials, direct labor, and both variable and fixed overhead — in the cost of a product.