Homework Help: earth

Posted by Anonymous on Wednesday, May 18, 2011 at 12:15pm.

planet is in circular orbit around the Sun. Its distance from the Sun is 2.9 times the average distance of Earth from the Sun. What is the period of this planet, in Earth years?

earth - bobpursley, Wednesday, May 18, 2011 at 2:03pm
period^2/r^3=1year^2/re^3

so period= sqrt (2.9^3)

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