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AP Physics 1
2.9 Circular Motion
2.6 Gravitational Force
IntermediateMCQProportional Analysis24.1k
A diagram showing a central planet labeled M_p. Two circular orbital paths are shown around the planet. Satellite X is shown on the inner path at a distance R from the center. Satellite Y is shown on the outer path at a distance 4R from the center. Arrows indicate the tangential velocity of each satellite.
Two satellites in circular orbits of different radii around a central planet.
Satellite X of mass \(m\) is in a circular orbit of radius \(R\) around a planet of mass \(M_p\). Satellite Y of mass \(2m\) is in a circular orbit of radius \(4R\) around the same planet. If the orbital speed of Satellite X is \(v_X\), what is the orbital speed \(v_Y\) of Satellite Y?

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