Question: A viscous fluid flows in a (0.10-mathrm{m})-diameter pipe such that its velocity measured (0.012 mathrm{~m}) away from the pipe wall is (0.8 mathrm{~m} / mathrm{s}).

A viscous fluid flows in a $0.10-\mathrm{m}$-diameter pipe such that its velocity measured $0.012 \mathrm{~m}$ away from the pipe wall is $0.8 \mathrm{~m} / \mathrm{s}$. If the flow is laminar, determine the centerline velocity and the flowrate.

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