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Homework Help: A hot air balloon is rising

  1. Sep 11, 2012 #1
    1. The problem statement, all variables and given/known data A hot-air balloon is rising upward with a constant speed of 2.51m/s. When the balloon is 3.01m above the ground, the balloonist accidentally drops a compass over the side of the balloon. How much time elapses before the compass hits the ground?

    2. Relevant equations y=ynot+vnotΔt+1/2aΔt^2

    3. The attempt at a solution i used the quadratic equation to find t which was 0.014s
    but i dont know where to go from here i have to find the rang but when i do that i get wrong answer
  2. jcsd
  3. Sep 11, 2012 #2
    actually iam getting the t to be 0.925s
  4. Sep 11, 2012 #3
    wrong math on that ....now its right!!
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