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Question: viscosities will be determined via the equation rt ...

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Viscosities will be determined via the equation η= (ηrρt) / (prtr) where ηr, ρr, and tr are the viscosity, density, and flow time of the reference liquid, which is usually water. Assume that the uncertainty in the viscosity will be primarily determined by the uncertainty in the flow times. Derive an expression for the relative error in the viscosity.

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