(adsbygoogle = window.adsbygoogle || []).push({}); Mars travels in a nearly circular orbit of radius 2.28 x 10^11 m around the Sun. The mass o Mars is 6.27 x 10^23 kg. The gravitational force of attraction between mars and the sun has a magnitude of 1.63 x 10^21N.

a) what is the speed of Mars?

i got 2.4 x 10^4 m/s

b)Determine the period of revolution of Mars around the Sun in Earth years.

how do i find the period and then convert that into Earth years?

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# Homework Help: Planet orbital period question

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