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Modify Prob. 6.121 by reducing the diameter to 15 cm, with = 1 mm. Compute the flow rate in each pipe. They all reduce, compared

Modify Prob. 6.121 by reducing the diameter to 15 cm, with ε = 1 mm. Compute the flow rate in each pipe. They all reduce, compared to Prob. 6.121, by a factor of about 5.2. Can you explain this?

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