The Cylindrical Container in Figure Has a Radius of 1

The cylindrical container in figure has a radius of 1 m and contains motor oil with viscosity of 0.3 Pa s and a density of 670 kg m^-3.Oil is seen to flow out of the 20-cm long,2-cm diameter tube at the bottom of the container.How long will it take 5.65 * 10^-3 m³ of oil to flow out of the tube? Assume the change in the level of the oil in the reservoir over the time period is negligible.

A) 10 seconds
B) 14 seconds
C) 21 seconds
D) 19 seconds
E) 26 seconds

Correct Answer:

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