2. Water flows through a hose, whose internal diameter is 1 cmat a speed of 1 m/s. What should be the diameter of the nozzle ifthe water is to emerge at 21 m/s?
(no handwriting, thanks)
2. Water flows through a hose, whose internal diameter is 1 cm at a speed of 1 m/s. What should be the diameter of the n
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