A runner is running a kilometer in 8.30 seconds in still, dry air at a temperature of 25.0
Her skin has a temperature of 35.0
and an exposed area is 1.00 m2. If the convective coefficient is 22.0 W/m2 
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
D. 220 W
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What will be an ideal response?
Parallel-Plate Capacitor: An capacitor consists of two large parallel plates of area A separated by a very small distance d. This capacitor is connected to a battery and charged until its plates carry charges +Q and -Q, and then disconnected from the battery. If the separation between the plates is now doubled, the potential difference between the plates will
A. double. B. quadruple. C. be cut in half. D. be cut in fourth. E. not change.
In strength, the magnetic fields of Uranus and Neptune are
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A ball thrown upwards reaches a maximum height and then comes back down to the original level. When a body moves in circular motion at constant speed
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