Stokes law can be used to determine the viscosity of a fluid by dropping a spherical object in it and measuring the terminal velocity of the object in that fluid. This can be done by plotting the distance traveled against time and observing when the curve becomes linear. During such an experiment a 3-mm-diameter glass ball (r = 2500 kg/m3) is dropped into a fluid whose density is 875 kg/m3, and the terminal velocity is measured to be 0.12 m/s. Disregarding the wall effects, determine the viscosity of the fluid.
Stokes law can be used to determine the viscosity of a fluid by dropping a spherical object in it and measuring the terminal velocity of the object in that fluid. This can be done by plotting the distance traveled against time and observing when the curve becomes linear. During such an experiment a 3-mm-diameter glass ball (r = 2500 kg/m3) is dropped into a fluid whose density is 875 kg/m3, and the terminal velocity is measured to be 0.12 m/s. Disregarding the wall effects, determine the viscosity of the fluid.
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter14: Fluid Mechanics
Section: Chapter Questions
Problem 44P: A straightforward method of finding the density of an object is to measure its mass and then measure...
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Stokes law can be used to determine the viscosity
of a fluid by dropping a spherical object in it and measuring
the terminal velocity of the object in that fluid. This can be done by plotting the distance traveled against time and
observing when the curve becomes linear. During such an
experiment a 3-mm-diameter glass ball (r = 2500 kg/m3) is
dropped into a fluid whose density is 875 kg/m3, and the terminal
velocity is measured to be 0.12 m/s. Disregarding the
wall effects, determine the viscosity of the fluid.
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