Thursday
April 24, 2014

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:
Answer:

Related Questions

science - if all of the following imaginary planets were the same distance from...
physics - A 2.5 kg mass weighs 23.75 N on the surface of a planet similar to ...
PHYSICS(HELP) - A meteorite of mass m= 210^4 kg is approaching head-on a planet...
Physics plz help . - A meteorite of mass m= 2 10^4 kg is approaching head-on a ...
physics - A 3.3 kg mass weighs 30.03 N on the surface of a planet similar to ...
Physics - A 21.0-kg satellite has a circular orbit with a period of 2.37 h and a...
Physica - A 21.0-kg satellite has a circular orbit with a period of 2.37 h and a...
physics - A 2.5 kg mass weighs 23.75 N on the surface of a planet similar to ...
Physics - A planet has a mass of 6.06x 10^23 kg and a radius of 3.99 x 10^6 m. a...
physics - What is the rotational kinetic energy of a planet about its spin axis...

Search
Members