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Time for an object to fall

  1. Nov 1, 2015 #1
    1. The problem statement, all variables andi given/known data
    A helicopter ascending at a velocity of 5.0m/s drops a bag at 105 m. How long does it take the bag to fall?


    2. Relevant equations
    X=vit+.5at^2

    3. The attempt at a solution
    I've tried the equation above but i can't solve for time
     
  2. jcsd
  3. Nov 1, 2015 #2

    haruspex

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    Show some more of your working. What did that equation give you when you plugged in the numbers?
     
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