Back to 12.5 The Onset of Turbulence

Unreasonable Results

Avg difficulty 2.5

A fairly large garden hose has an internal radius of 0.600 cm and a length of 23.0 m. The nozzleless horizontal hose is attached to a faucet, and it delivers 50.0 L/s. (a) What water pressure is supplied by the faucet? (b) What is unreasonable about this pressure? (c) What is unreasonable about the premise? (d) What is the Reynolds number for the given flow? (Take the viscosity of water as 1.005×10–3(N/m2)⋅s1.005 \times 10^{–3} \left(\text{N} / m^{2}\right) \cdot \text{s}.)

OpenStax College Physics 2e, 12.5 The Onset of Turbulence, exercise 14

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.