Concept explainers
The terminal velocity of the particle.
Answer to Problem 125P
The terminal velocity of the particle is
Explanation of Solution
Given information:
The density of air is
Write the expression for the force acting on the particle in the downward direction.
Here, the mass of the particle is
Write the expression for the drag force.
Here, the viscosity is
Write the expression for the buoyancy force.
Here, the mass of the particle is
Write the expression for the upward force.
Substitute
Write the expression for the force Equilibrium.
Calculation:
Substitute
Substitute
Substitute
Conclusion:
The terminal velocity of the particle is
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Chapter 10 Solutions
Fluid Mechanics: Fundamentals and Applications
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