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An earth satellite remains in orbit at a distance of 7755 km from the center of the earth. What speed would it have to

An earth satellite remains in orbit at a distance of 7755 km from the center of the earth. What speed would it have to main- tain? The universal gravitational constant is 6.67 x 10-1l N. m2/kg? and the mass of the earth is 5.98 x 1024 kg.

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