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

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

Correct Answer:

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