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Mass of hail stone

  1. Oct 15, 2012 #1
    1. The problem statement, all variables and given/known data During a violent thunderstorm, hail the size of marbles (diameter = 2.2 cm) falls at a speed of 36 m/s. There are estimated to be 40 hailstones per cubic meter of air. Assume that, as for ice, 1 cm3 of hail has a mass of 0.92 g. What is the mass of each hailstone?

    2. Relevant equations volume of a sphere


    3. The attempt at a solution (4∏r^3)/3=5.58 x 0.92=5.13g x 40 stones=205.17g its not right for some reason even tho i used this number to solve the next problem and got that one right ....
     
  2. jcsd
  3. Oct 15, 2012 #2

    tiny-tim

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    hi omc1! :smile:
    erm :redface:each hailstone! :wink:
     
  4. Oct 15, 2012 #3
    oh duh!!
     
  5. Oct 15, 2012 #4

    tiny-tim

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