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’ law describes sedimentation of particles in liquids and

ISBN: 9780130606204 3

Solution for problem 28PE Chapter 5

Physics: Principles with Applications | 6th Edition

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Physics: Principles with Applications | 6th Edition

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Problem 28PE

Stokes’ law describes sedimentation of particles in liquids and can be used to measure viscosity. Particles in liquids achieve terminal velocity quickly. One can measure the time it takes for a particle to fall a certain distance and then use Stokes’ law to calculate the viscosity of the liquid. Suppose a steel ball 3? bearing (density 7.8×10? kg/m3 , diameter 3.0 mm ) is dropped in a container of motor oil. It takes 12 s to fall a distance of 0.60 m. Calculate the viscosity of the oil.

Step-by-Step Solution:

Step-by-step solution Step 1 of 3 The metal ball released in the water reaches the terminal velocity in a very short time. So we can assume its motion to be moving with constant terminal velocity. The distance traveled The time taken Terminal velocity The terminal velocity is 0,05m/s Step 2 of 3 The mass of the steel ball The radius of the ball The density of the ball The volume of the spherical ball The mass of the ball is;

Step 3 of 3

ISBN: 9780130606204

Physics: Principles with Applications was written by and is associated to the ISBN: 9780130606204. This textbook survival guide was created for the textbook: Physics: Principles with Applications, edition: 6. The answer to “Stokes’ law describes sedimentation of particles in liquids and can be used to measure viscosity. Particles in liquids achieve terminal velocity quickly. One can measure the time it takes for a particle to fall a certain distance and then use Stokes’ law to calculate the viscosity of the liquid. Suppose a steel ball 3? bearing (density 7.8×10? kg/m3 , diameter 3.0 mm ) is dropped in a container of motor oil. It takes 12 s to fall a distance of 0.60 m. Calculate the viscosity of the oil.” is broken down into a number of easy to follow steps, and 88 words. Since the solution to 28PE from 5 chapter was answered, more than 660 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 28PE from chapter: 5 was answered by , our top Physics solution expert on 03/03/17, 03:53PM. This full solution covers the following key subjects: viscosity, oil, stokes, calculate, particles. This expansive textbook survival guide covers 35 chapters, and 3914 solutions.

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