Earth orbits the sun in 365.25 days and has an orbital radius of 1.5 x 10¹¹m. The mass of
the Earth is 5.97 x 1024 kg and the mass of the Sun is 1.989 x 1030 kg.
a. How many days will it take Mercury to orbit the sun given that its orbital radius is
5.8 x 1010 m.
b. How many days will it take Mars to orbit the sun given that its orbital radius is
2.3 x 10¹¹m.
I
c. It takes Jupiter 4333 days to orbit the sun. What is its average distance from the
sun?
