Homework Help: Kepler's equation of planetary motion

1. May 11, 2010

roshan2004

1. The problem statement, all variables and given/known data
If a planet were suddenly stopped in it's orbit, supposed circular, Show that it would fall into the sun in a time which is$$\frac{\sqrt{2}}{8}$$ times it's time period.

2. Relevant equations
Kepler's Third law

3. The attempt at a solution

Last edited: May 11, 2010
2. May 11, 2010

nickjer

You do know we don't solve the problem for you. You need to put some effort into it first and we guide you in the right direction.