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Help Required - Motion and Momentum

  1. May 25, 2010 #1
    Hi all, fairly new to this site so I hope I've posted in the right spot and in the right format. Well I'm doing an assignment on the physics involved in sports at the moment and I need a little help with some calculations. I have decided to do a basic representaton of a soccer ball being kicked from the goal keeper and I am trying to find out the best angle. Now I have found out all the practical values by using a device that simulates a soccer kick. It is simplly like an A-Frame with a pendulum/arm swinging around a single pivot point which pivots around to kick a soccer ball (actually a golf ball for these tests.)

    1. The problem statement, all variables and given/known data
    Now my probelm is that we need to calculate some theoretical displacements and maybe velocity too, and I can't think of the right equations to use. So what are some possible equations that I could use to calculate the theoretical values?


    2. Relevant equations
    Well, I'm thinking something along the lines of projectile motion, motion, circular motion, momentum and impulse. Any of those seem logical?


    3. The attempt at a solution
    Well, nothing really yet, only the thought of possible equations.


    Please don't bombard me with extremely complex equaitons or formulas unless you want to explain in depth as I'm only in Grade 11 at school.

    Thanks Jake :smile:
     
  2. jcsd
  3. May 25, 2010 #2
    Circular motion --- not relevant
    how would you calculate impulse accurately, you are talking about a fraction of a second contact time and i cant see how you could get that value without some slow motion cameras or something
    projectile motion is by far your best bet all you will need is a tape measure and stop watch to be able to make a good model.
     
  4. May 25, 2010 #3
    Ok thanks for that pat666. Really appreciated !
     
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