Water at 20 C flows through a horizontal garden hose at the rate of 5.0 10-4
Question:
Water at 20 °C flows through a horizontal garden hose at the rate of 5.0 × 10-4 m3/s. The diameter of the garden hose is 2.5 cm.
(a) What is the water speed in the hose?
(b) What is the pressure drop across a 15-m length of hose? Suppose the cross-sectional area of the hose is halved, but the length and pressure drop remain the same.
(c) By what factor does the water speed change?
(d) By what factor does the volume flow rate change? Explain.
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