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Posted by on Sunday, March 16, 2008 at 11:44pm.

In a certain binary star system, each star has the same mass as our sun, and they revolve about their center of mass. The distance between them is the same as the distance between the EArth and sun. Wha tis their period of revolution in years?

  • physics - , Monday, March 17, 2008 at 9:26am

    You know the force of gravity, you know the radius of rotation.

    GMsMs/r^2=Ms v^2/r

    but v=2PI r/Period
    solve for period.

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