February 21, 2017

Homework Help: physics

Posted by mymi on Sunday, October 30, 2011 at 9:01pm.

A planet with a mass of (7*10^21) kg is in a circular orbit around a star with a mass of (2*10^30) kg. The planet has an orbital radius of (3*10^10) m.
(a) What is the linear orbital velocity of the planet?
(b) What is the period of the planet's orbit?
(c) What is the total mechanical energy of the planet?

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions