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!

Elastic Potential Energy- finding spring constant

  1. Jun 6, 2009 #1
    1. The problem statement, all variables and given/known data

    In a physics lab experiment, a spring clamped to the table shoots a 22 g ball horizontally. When the spring is compressed 18 cm, the ball travels horizontally 5.2 m and lands on the floor 1.5 m below the point at which it left the spring.

    2. Relevant equations

    Us= .5kx^2

    3. The attempt at a solution

    I tried to find the elastic potential energy and then i got stuck.
     
  2. jcsd
  3. Jun 6, 2009 #2

    Cyosis

    User Avatar
    Homework Helper

    Use energy conservation. When the spring is compressed the ball is stationary so all its energy is elastic potential energy. When the spring is released the ball loses potential energy and gains kinetic energy.
     
  4. Jun 7, 2009 #3
    how would i find the velocity?
     
  5. Jun 7, 2009 #4

    Cyosis

    User Avatar
    Homework Helper

    With [itex]y=y_0+v_{0,y}t-\frac{1}{2}gt^2[/itex] and [itex]x=v_{0,x} t[/itex].
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook




Similar Discussions: Elastic Potential Energy- finding spring constant
Loading...