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Initial Velocity and Inclined Plane

  1. Oct 4, 2011 #1
    1. The problem statement, all variables and given/known data

    A block is given a push up an inclined plane with an initial velocity. At what time will the speed of the block be equal to the initial velocity again? No varialbes are given.

    2. Relevant equations

    v= v(initial) + at

    3. The attempt at a solution

    The final velocity is equal to the initial velocity, but opposite in direction. So, Initial Velocity + Final Velocity = 0. But, I don't know how to find time, because we aren't given any variables to work with.
     
  2. jcsd
  3. Oct 4, 2011 #2

    SammyS

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    Looks like you have v, a, and t.

    The angle that the incline makes with the horizontal should be involved.
     
  4. Oct 5, 2011 #3
    So I use the force equation, F=ma, but I still don't know how to solve without any numbers?
     
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