1. Not finding help here? Sign up for a free 30min 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!

Initial velocity of rolling ball

  1. Jan 25, 2007 #1
    A rolling ball has an initial velocity of -1.5 m/s .

    a. if the ball has constant acceleration of -0.23 m/s^2, what is its velocity after 2.2 s?

    V = vo + at = -1.5
    -0.23 * 2.2 = -1.5 - 0.506 = -2.006 = -2.0 m/s
    answer is -2.0 m/s

    b. what was its average velocity during that time interval?
    Vav = ( -2.0 - 1.5)/2 = -1.75 m/s
    answer is -1.75 m/s

    c. How far did it travel in this time interval?
    D = VoxT + at^(2/2) = -1.5 * 2.2 - (0.23 * 2.2^2)/2 = -3.3 - 0.56 = -3.86
    answer is -3.86
     
  2. jcsd
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Can you help with the solution or looking for help too?
Draft saved Draft deleted



Similar Discussions: Initial velocity of rolling ball
Loading...