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

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 210 g water (enough for 1 cup of coffee) is to be heated in 14.0 min from 26.0°C to 84.0°C? (1 cal = 4.186 J,the specific heat of water is 4 186 J/kg⋅°C)

A) 3 640 W
B) 289 W
C) 60.7 W
D) 850 W
E) 42.5 W