An Inventor Develops a Stationary Cycling Device by Which an Individual,while

question 29

Multiple Choice

An inventor develops a stationary cycling device by which an individual,while pedaling,can convert all of the energy expended into heat for warming water.How much mechanical energy is required to increase the temperature of 200 g of water (enough for 1 cup of coffee) from 22°C to 96°C? (1 cal = 4.186 J,the specific heat of water is 4 186 J/kg⋅°C)
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• A) 62,000 J
• B) 31,000 J
• C) 16,000 J
• D) 1,000 J
• E) ​15 J

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Definitions:

Financing Activity

Transactions and events where cash is raised for business purposes, including issuing equity, borrowing, and repaying loans.

Fixed Asset Acquisition

The process of purchasing fixed assets, like property, plant, and equipment, that are used over a long period in the operation of a business.

Times Interest Earned Ratio

A financial ratio that measures a company's ability to meet its debt obligations by comparing its income before interest and taxes to its interest expenses.

Earnings Before Interest and Taxes

A measure of a firm's profit that includes all expenses except interest and income tax expenses.