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Water enters a cylinder of base area 10 cm² at 5 cm³/s. How fast does the level rise?
A0.5 cm/s
B0.2 cm/s
C5 cm/s
D2 cm/s
Answer & Solution
Correct answer: A. 0.5 cm/s
V = 10h gives dV/dt = 10(dh/dt) = 5, so dh/dt = 0.5 cm/s.
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