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Q. The cylindrical space station, 200 {rm m} in diameter, rotates in order to provide artificial gravity of g for the occupants. How much time does station take to complete one rotation?

Q. Two people, A and B, with masses of 50-kg and 60-kg, correspondingly, stand on a frictionless surface 10m apart. B pulls on a connecting rope, giving A an acceleration of 0.92m/s2 towards B. a) what is B's acceleration toward A?

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