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!

Speed of bullet

  1. Aug 13, 2008 #1
    what would be the speed of a bullet on decline fired from a pistol. firing angel is 45Deg. What would be the speed of bullet when it reaches 4 feet above from ground during its decline, i just need ratio of firing speed and speed before droping to ground.
  2. jcsd
  3. Aug 13, 2008 #2


    User Avatar
    Science Advisor
    Homework Helper

    Welcome to PF!

    Hi autopower99! Welcome to PF! :smile:

    (I assume we're ignoring air resistance?)

    The angle doesn't matter.

    Just use conservation of energy … KE - mgh = constant. :smile:
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook