Glycerin, with a Viscosity Of $1.5 \mathrm {~N} \cdot \mathrm { s } / \mathrm { m } ^ { 2 }$

question 1

Multiple Choice

Glycerin, with a viscosity of $1.5 \mathrm {~N} \cdot \mathrm { s } / \mathrm { m } ^ { 2 }$ is flowing with an average speed of 1.2 m/s through a tube that has a radius of 5.0 mm and is 25 cm long. What is the drop in pressure over the length of this pipe?

• A) 76 kPa
• B) 72 kPa
• C) 46 kPa
• D) 130 kPa
• E) 140 kPa

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