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Answer to Question #65501 in Mechanics | Relativity for Manoj

Question #65501
What should be the radius of a space station spinning with an angular speed of 2 rpm such that an astronaut inside the station experiences artificial gravity with g = 10 ms-2?
Expert's answer
F=m*g; gravity force
F=m*w^2*R; centrifugal force

m*g=m*w^2*R

w=2 rpm
g=10 m/s

R=(m*g)/(m*w^2)=g/w^2=10/(2/60)^2=10*300=9000 m

Answer:
radius of a space station should be - 9000 m

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