NCERT Exercise 9.16 - Mechanical Properties of Fluids
Question: A spray pump tube (cross-section 8.0 cm^2) has 40 holes (diameter 1.0 mm each) at one end. Liquid speed in tube is 1.5 m/min. Find ejection speed through holes.
Answer: Ejection speed = **about 0.64 m/s**.
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