Water moves at 0.5 m/s in a pipe of diameter 3 cm, which narrows to 1 cm. The speed in the narrow part is:

  1. 4.5 m/s
  2. 1.5 m/s
  3. 2.25 m/s
  4. 9 m/s
Answer

A) 4.5 m/s

v propto 1d^2: v2 = 0.5 ( 31 )^2 = 4.5 m/s. SLO P-11-B-36 · Application

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