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: Gravitational acceleration.

  1. Jan 11, 2009 #1
    Mercury has a mass of 3.30 x10^23 kg and a radius of 2.44 x10^6 m.
    (a) What is the acceleration due to gravity on Mercury?
    m/s2

    (b) How much would a 5.94 kg person weigh on this planet?
    N


    i honestly have no idea how to do this... help please!
     
  2. jcsd
  3. Jan 11, 2009 #2

    hage567

    User Avatar
    Homework Helper

    What is the Law of Gravitation?

    What is Newton's second law?
     
  4. Jan 11, 2009 #3
    thanks
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook