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Which is the air resistance formula?

  1. Jul 2, 2015 #1
    I'm trying to solve this ecuation:
    I'm having some truble at finding a correct formula to find the air resistance. In my research through Internet I found loads of different formulas but I dont exactly know which is the correct one. In an other discussion on this forum I found this formula:
    F_D=(C_D ρAv^2)/2
    However, as I just mentioned I don't have it very clear.
  2. jcsd
  3. Jul 2, 2015 #2


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    Science Advisor

    your post is very confusing. Solve that equation for what variable? And is the question about "air resistance" a separate question? There is no one formula for air resistance- it depends upon a number of variables including the shape of the object moving through the air and its speed relative to the air.
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