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Homework Help: Terminal Velocity Question

  1. Feb 27, 2013 #1
    1. The problem statement, all variables and given/known data

    A man 50.0kg has a terminal velocity of 42m/s. What value of D is required to make this possible?

    2. Relevant equations

    V(terminal velocity) = (mg/D)^1/2

    3. The attempt at a solution

    D = (50kg*9.8m/s^2)/(42m/s)^2) = 0.28kg/m

    The book's answer is 44kg/m. Is the book wrong or am I wrong?
  2. jcsd
  3. Feb 27, 2013 #2


    User Avatar

    Staff: Mentor

    0.28 kg/m satisfies that equation.
  4. Feb 27, 2013 #3
    Thanks, I needed some reinforcement.
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