1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
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: Calculating centripetal acceleration

  1. Nov 2, 2008 #1
    A ball of mass m is suspended from a rope of length R. The ball is set into freely swinging circular motion in a vertical plane. The centripetal acceleration of the ball at the top of the circle is 13g. The centripetal acceleration of the ball at the bottom of the circle is closest to:

    A. 15g
    B. 17g
    C. 19g
    D. 16g
    E. 18g
  2. jcsd
  3. Nov 3, 2008 #2


    User Avatar
    Science Advisor
    Homework Helper

    Welcome to PF!

    Hi Ralph221! Welcome to PF! :smile:

    Hint: use conservation of energy. :wink:
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook