A Future Use of Space Stations May Be to Provide

Multiple Choice

A future use of space stations may be to provide hospitals for severely burned persons. It is very painful for a badly burned person on Earth to lie in bed. In a space station, the effect of gravity can be reduced or eliminated. With what period of rotation would a doughnut-shaped hospital of 200. m radius have to rotate, if persons on the outer perimeter are to experience 1/10 the gravity effect of Earth?

A) 1.5 min
B) 8.7 min
C) 4.6 min
D) 91. min
E) 0.011 min