Posted by Please Help on .
The region of the solar system between Mars and Jupiter contains many asteroids that orbit the Sun. Consider an asteroid in a circular orbit of radius 3.01 x1011 m. Find the period of the orbit.

Physics 
drwls,
Apply Kepler's third law for the solar system. With radius R in a.u. and period in years,
R^3/P^2 = 1 = constant for all orbiting objects
http://csep10.phys.utk.edu/astr161/lect/history/kepler.html