Physics

Futurists project large space stations which would rotate so as to use centripetal acceleration to simulate gravity. The outer wall of the rotating space station would become a floor for the astronauts, and centripetal acceleration supplied by the floor would allow astronauts to exercise and maintain muscle and bone strength more naturally than in non-rotating space environments such as the current International Space station. (a) If the space station were 200. m in diameter, what velocity would produce an “artificial gravity” of 9.80 m/s2 at the rim? (b) What is this value in revolutions per minute?

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