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!

How do you find time given vi, acceleration, and displacement

  1. Feb 22, 2012 #1
    using

    d=vit+ 1/2at^2

    my subs are

    75 =3t +1/2 (9.81)t^2 (if an object is dropped is gravity still -9.81?)

    where do i go from here
     
  2. jcsd
  3. Feb 22, 2012 #2

    jtbell

    User Avatar

    Staff: Mentor

    Have you studied how to solve quadratic equations?
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook