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Physics 10 help-velocity

  1. Dec 1, 2014 #1
    Here's the question:
    1. A ball with a mass of 0.675 kg was launched towards a wall. If it was pulled back a distance of 1.75 m in the slingshot using 3.50x10^2 N of force, what is the speed of the ball as it is released from the slingshot?
    2. Ep(elas)=fxd?? that could possibly be divided by the mass to give you velocity
    I really have no idea and I really need help.
    Last edited: Dec 1, 2014
  2. jcsd
  3. Dec 1, 2014 #2


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    Gold Member

    They gave a spring constant and a distance. You can get both force and energy values from those given quantities. Which one do you want? In other words, what do you want, and which value will be more useful in obtaining what you want?
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