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Projectile kinematics sticker for me

  1. Mar 22, 2009 #1
    I know that an object is thrown at a certain initial horizontal speed (m/s). I need to calculate the object's velocity (magnitude and direction) after a certain amount of time (seconds.) How would I do this? What formulas would I use? The actual question is: a calculator thrown at initial horz speed of 24m/s and calculate velocity(mag &direction) after 4 seconds.
     
  2. jcsd
  3. Mar 23, 2009 #2

    lanedance

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    hi triggerhorse, welcome to PF

    generally you have to give an attempt at a solution and people will offer help...

    I would start by writing the forces on the calculator
     
  4. Mar 23, 2009 #3
    Kinematic equations.. There is no acceleration in this case.
     
  5. Mar 23, 2009 #4

    lanedance

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    based on the question though i doubt it, i'd assume it experiences gravity... triggerhorse can you elaborate?
     
  6. Mar 23, 2009 #5
    But only horizontal velocity is given, I presume its not projectile motion.
    Don't think this much data is enough to describe projectile motion.
     
  7. Mar 23, 2009 #6
    Thanks for your help so far. I am going to get help at school today.
     
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