1. PF Contest - Win "Conquering the Physics GRE" book! Click Here to Enter
    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!

A motor takes Ts to cover the distance ?

  1. May 28, 2012 #1

    what is the idea for solving this question ?

    http://store2.up-00.com/May12/28k31950.jpg [Broken]
    Last edited by a moderator: May 6, 2017
  2. jcsd
  3. May 28, 2012 #2

    Doc Al

    User Avatar

    Staff: Mentor

    What kinematic formula might be relevant?
  4. May 28, 2012 #3
    The equations of motion under uniform acceleration. You'll get two equations in 'a' and 'initial velocity', from which you can solve for the other variables.
  5. May 28, 2012 #4

    then we use this equation

    S = ut + 1/2at^2

Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook