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A particular pulsar is estimated to have a radius of 10.5 km or 10500 m. The pulsar has a period (time for one rotation) of 0.291 s. What is the minimum value for the strength of the gravitational force field (gpulsar) at the surface of the pulsar? Hint: The centripetal force required to hold an object on the surface must be no larger than the force of gravity or the object will not stay on the surface. The minimum value for gpulsar is ___. (For comparison, the strength of the gravitational force field at the surface of Jupiter is about 24.8 N/kg.)

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