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Water flows at 2 m/s in a pipe of area 4 cm^2 into a section of area 1 cm^2. What is the speed there?
A0.5 m/s
B2 m/s
C8 m/s
D16 m/s
Answer & Solution
Correct answer: C. 8 m/s
By A1 v1 = A2 v2, v2 = (4 x 2)/1 = 8 m/s.
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