A Runner Is Running a Kilometer in 8 $^{\circ}$ CHer Skin Has a Temperature of 35

A runner is running a kilometer in 8.30 seconds in still,dry air at a temperature of 25.0 $^{\circ}$ C.Her skin has a temperature of 35.0 $^{\circ}$ C and an exposed area is 1.00 m².If the convective coefficient is 22.0 W/m² $^{\circ}$ C,then what is the rate of heat flow from her skin to the air?

A) 95.7 W
B) 102 W
C) 186 W
D) 220 W
E) 285 W

Correct Answer:

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