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cloveb cloveb
wrote...
Valued Member
Posts: 782
6 years ago
Use Poiseuille’s law to find the pressure gradient (delta P/L) in a 5-cm diameter fire hose delivering water at 2.3x10-2 m3/s. The viscosity of water is 1.0 x 10-3 Pa-s.

(1) 150 Pa/m (2) 6.7 x 10-3 Pa/m (3) 12 Pa/m (4) 9.4 x 10-2 Pa/m (5) None of these.
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