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At what RPM will a 100 foot diameter room spin on a vertical axis to create a centrifugal force equal to gravity?
Wiki User
∙ 16y ago
centripetal acceleration of a rotating object is equal to v^2/r so to sit on the edge of the spinning room and have a centripetal acceleration equal to 'g', (3.28 ft/s/s) your speed should be 12.687 ft/s or the RPM of the room should be 24.23 (circumference, 2 x pi x r, divided by speed gives times per rev., so 60 divided by this gives RPM)
Wiki User
∙ 16y ago
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