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Jun 3, 2018 at 11:55 comment added Chet Miller You asked how it depends on R and not R^2, so I answered in that context. What other parameters do you think might be involved? Do you know how to do dimensional analysis using the Buckingham Pi Theorem?
Jun 3, 2018 at 9:21 answer added nluigi timeline score: 1
Jun 3, 2018 at 7:44 comment added user1583209 @ChesterMiller: Well, yes. But how do I know that it depends on these quantities (only)?
Jun 3, 2018 at 2:36 comment added Chet Miller If the force solely depends on viscosity, velocity, and sphere geometry, what does dimensional analysis tell you about the required exponent of R?
Jun 2, 2018 at 15:59 answer added Ragnar timeline score: 1
Jun 2, 2018 at 13:50 history edited Qmechanic CC BY-SA 4.0
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Jun 2, 2018 at 12:41 history asked user1583209 CC BY-SA 4.0