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AP Physics 1
6.6 Motion of Orbiting Satellites
2.9 Circular Motion
2.6 Gravitational Force
2.1 Systems and Center of Mass
Multi-Unit
AdvancedMCQMathematicalConceptual19.3k
Binary star system of masses 2M and M orbiting their common center of mass.
Binary star system of masses 2M and M orbiting their common center of mass.
An isolated binary star system consists of Star 1 of mass \(2M\) and Star 2 of mass \(M\) separated by a constant center-to-center distance \(d\). Both stars execute circular orbits about their common center of mass due to their mutual gravitational attraction. What is the orbital speed \(v_2\) of Star 2 in terms of \(M\), \(d\), and fundamental constants?

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