Recent content by Talontuner

  1. T

    Need help figuring our periods of planets

    Thank you!
  2. T

    Need help figuring our periods of planets

    Homework Statement OK here's the question: What is the period of a planet orbiting 3 A.U. from a star 3 times as massive as the sun? And my teacher says to use keppler's 3rd law revised by Newton but I am completely confused by the equation and how to use it on this problem. Homework...