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Statement of a problem № 3552

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Water is observed to flow through a capillary of diameter 1.0 mm with a speed of 3 m/s. Viscosity of water in CGS units is (a) 0.018 at 0°C (b) 0.008 at 30°C (c) 0.004 at 70°C Calculate the Reynold's number and test at which of these three temperatures is the flow likely to be streamlined. Assume that for Reynold's number R < 2200 flow is steady.

Solution:
Water is observed to flow through a capillary of diameter 1.0 mm with a speed of

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