Two satellites are in circular orbits around a planet that, Ask an Expert

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Two satellites are in circular orbits around a planet that has radius 9.00×10^6m . One satellite has mass 80.0kg , orbital radius 5.00×107m , and orbital speed 4800 m/s . The second satellite has mass 62.0kg and orbital radius 2.70×107m

What is the orbital speed of the second satellite?

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