Recent content by lucas

Thank you Chet, but it is that equation that I can't seem to find, as there are a variety of equations; but no specification for which parameters. For example: Cd=\frac{0.664}{\sqrt{Re}} or Cd=\frac{1.33}{\sqrt{Re}}; and even Cd=0.0742 / Re1/5.

Homework Statement Hi, I am doing a theoretical investigation which will be compared to an experimental I'll do later. I am trying to calculate how much time will it take an object to fall a heigh H. the object is a 5x5x5 cm cube. I have the Reynolds number as this Re=3546*Velocity; and I...