Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Net Force Help

  1. Jun 17, 2008 #1
    Q.Calculate the velocity of a satellite moving in a stable circular orbit around the earth at a height of 5200km.

    A. I wasn't sure which formula to use on this problem is it Ac=(V^2)/r
  2. jcsd
  3. Jun 17, 2008 #2


    User Avatar
    Homework Helper

    Well I don't know what other information you have

    But what provides the centripetal force needed to keep the satellite in the orbit?
  4. Jun 18, 2008 #3


    User Avatar
    Science Advisor
    Homework Helper

    Welcome to PF!

    Hi smaxemow ! Welcome to PF! :smile:
    Simple answer: yes. :smile:

    That gives you the acceleration.

    And now you need to know the force … :smile:
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook