88. Solving a chemistry problem
3. The barrel is filled with olive oil (viscosity 84.0 mPa*s. density 0.918 g/cm3) to a height of 1 m. Under its own weight, the oil flows out through a tube at the bottom of the barrel. The inner diameter of the tube is 10 mm, the length is 20 cm. How long does it take to draw a liter of oil through the tube?
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