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Two satellites are in circular orbits around a planet that has radius 9.00*10^6 m. One satellite has mass 77.0kg , orbital radius 6.10×107m , and orbital speed 4800 m/s. The second satellite has mass 72.0kg and orbital radius 4.10×107m . What is the orbital speed of this second satellite? Express your answer to three significant figures and include the appropriate units.

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