The cylindrical tube of a spray pump has radius, R, one end of which has n fine holes, each of radius r. If the speed of the liquid in the tube is V, the speed of the ejection of the liquid through the holes is:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Volume inflow rate = volume a flow rate
π R 2 V = n π r 2 (v) ⇒ 
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