A milkshake has viscosity of 0.50Pa.s. To drink this shake through a straw of diameter 0.56...

 

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A milkshake has viscosity of 0.50Pa.s. To drink this shake through a straw of diameter 0.56 cm and length 22 cm, you need to reduce the pressure at the top of the straw to less than atmospheric pressure. If you want to drain a 440mL shake in 3.0 minutes, what pressure difference is needed? You can ignore the height difference between the top and the bottom of the straw. Express your answer with the appropriate units. A milkshake has viscosity of 0.50Pa.s. To drink this shake through a straw of diameter 0.56 cm and length 22 cm, you need to reduce the pressure at the top of the straw to less than atmospheric pressure. If you want to drain a 440mL shake in 3.0 minutes, what pressure difference is needed? You can ignore the height difference between the top and the bottom of the straw. Express your answer with the appropriate units.

Answer rating: 100% (QA)

This problem can be solved using the HagenPoiseuille equation for laminar flow through a cylindrical ... View the full answer