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!

Energy of a car going up a hill

  1. Oct 30, 2014 #1
    • Not using homework template due to originally being posted in a different forum.
    find the energy of a required to accelerate a 1800kg car from 15 km/h to 75km/h an up hill road with a vertical rise of 55m

    KE=1/2m(V22-V12)

    KE=1/2(1800)(20.832-4.162)

    KE=1/2(1800)(433.88-17.30)

    KE=1/2(1800)(416.58)

    KE=1/2(749844)

    KE=374922 J

    I'm wondering if I'am on the right track, no sure how to bring the rise in to the problem.
     
  2. jcsd
  3. Oct 30, 2014 #2
    + mgh
     
  4. Oct 30, 2014 #3
    KE=1/2m(V22-V12)+mgh ?
     
  5. Oct 30, 2014 #4
    Energy = Kinetic energy + Potential energy

    Potential energy = mgh
     
  6. Oct 30, 2014 #5
    Thank you
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted



Similar Discussions: Energy of a car going up a hill
  1. Car going up incline (Replies: 3)

Loading...