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AP Physics 1
6.6 Motion of Orbiting Satellites
IntermediateMCQProportional Analysis16.4k
Two separate orbital systems are shown side-by-side. The left system shows a central planet labeled mass M_p with a satellite orbiting in a circular path of radius R. The right system shows a larger central planet labeled mass 4M_p with a satellite orbiting in a circular path of radius 4R. Both orbits are represented by dashed lines.
Comparison of two satellite orbits around planets of different masses and radii.
A research probe is in a stable circular orbit around a planet of mass \(M_p\) at an orbital radius \(R\). The probe has an orbital period \(T\). A second probe is placed in a stable circular orbit around a different planet that has a mass of \(4M_p\). The second probe’s orbital radius is \(4R\).

What is the orbital period of the second probe?

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