...of 5.1 g at the rim? One method NASA is considering to provide astronauts on long space flights with exercise and "gravitational forces" simultaneously is the human-powered centrifuge. This device is basically a rotating, circular platform on which two astronauts lie supine along a diameter, head-to-head at the center, with their feet at opposite rims. The radius of the platform is 6.25ft .
What angular speed (in rpm) must the platform have to give a centripetal acceleration...
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