Question: It is estimated that person rotating horizontally can withstand an acceleration of around 15 times that of gravity (15g). An astronaut in training sits in

It is estimated that person rotating horizontally can withstand an acceleration of around 15 times that of gravity (“15g”). An astronaut in training sits in a test device that undergoes circular motion. The astronaut sits a distance of 12 m from the axis of rotation. The (tangential) velocity of the astronaut is about

a. 42 m/s

b, 30 m/s

c. 21 m/s

d. 35 m/s

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