A newly discovered planet is found to have a circular orbit, with a radius equal to 11 times the radius of Earth's orbit. How long does this planet take to complete one orbit around the Sun?
2 answers
Physics
What is Kepler's third law?
http://en.wikipedia.org/wiki/Kepler%27s_laws_of_planetary_motion
http://en.wikipedia.org/wiki/Kepler%27s_laws_of_planetary_motion