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Position of a particle

  1. Sep 16, 2012 #1
    1. The problem statement, all variables and given/known data
    The position of a particle moving along the y axis has a position given by y = 0.20m + (8.0m/s) t - (10 m/s2) t2. is there any time interval during which the particle is not moving?


    2. Relevant equations



    3. The attempt at a solution
    I said No but i'm not sure why exactly it is never moving.
     
  2. jcsd
  3. Sep 16, 2012 #2

    rl.bhat

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    Homework Helper

    There is one instant when the partical is not moving. Find dy/dt and equate it to zero to get that instant.
     
    Last edited: Sep 16, 2012
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