Fluid Flow: A pump uses a piston of 15 cm diameter that moves at 2.0 cm/s as it pushes a fluid through a pipe. What is the speed of the fluid when it enters a portion of the pipe that is 3.0 mm in diameter? Treat the fluid as ideal and incompressible.
A. 50 m/s
B. 50 cm/s
C. 6.0 cm/s
D. 22 cm/s
Answer: A
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