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MCAT Question of the Day
Q:
A skyscraper receives its water supply from the ground floor (sea level) through a pipe with diameter 10 cm with water running at a velocity of 5 m/s. On a floor 85m above the ground, a high-pressure sink expels water at a rate of 25 m/s. What is the cross-sectional area of the pipe for this sink?
A
0.0015 m
2
B
0.003 m
2
C
0.0045 m
2
D
0.006 m
2
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