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

question 18

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.What minimum power must be generated if 300 g water (enough for 1 cup of coffee) is to be heated in 12 min from 18°C to 94°C? (1 cal = 4.186 J,the specific heat of water is 4 186 J/kg⋅°C)
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• A) 8,000 W
• B) 440 W
• C) 130 W
• D) 1590 W
• E) ​90 W

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Definitions:

Profit-Maximizing

A strategy or process aimed at increasing a firm's profits to the highest possible level given its production and market constraints.

Monopolistically Competitive

A market structure characterized by many firms offering products that are similar but not identical, allowing for some degree of market power.

Monopolistic Firm

A company that possesses unique characteristics in its products or services, giving it significant control over its market prices.

Cournot Duopoly

An economic model that describes an industry structure in which two firms compete on output levels and choose quantities independently to maximize profit.