A spherical particle of mass m� is shot horizontally with initial speed v0 into a viscous fluid. Use Stokes’ law to find an expression for vx(t), the horizontal velocity as a function of time. Vertical motion due to gravity can be ignored. Express your answer in terms of the variables v0, η, r, t, m, and appropriate constants. A 4.8-cm-diameter, 55 g ball is shot horizontally into a tank of 40∘C∘C honey. How long will it take for the horizontal speed to decrease to 10%% of its initial value?
A spherical particle of mass m� is shot horizontally with initial speed v0 into a viscous fluid. Use Stokes’ law to find an expression for vx(t), the horizontal velocity as a function of time. Vertical motion due to gravity can be ignored. Express your answer in terms of the variables v0, η, r, t, m, and appropriate constants. A 4.8-cm-diameter, 55 g ball is shot horizontally into a tank of 40∘C∘C honey. How long will it take for the horizontal speed to decrease to 10%% of its initial value?
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter15: Fluids
Section: Chapter Questions
Problem 46PQ
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A spherical particle of mass m� is shot horizontally with initial speed v0 into a viscous fluid. Use Stokes’ law to find an expression for vx(t), the horizontal velocity as a function of time. Vertical motion due to gravity can be ignored.
Express your answer in terms of the variables v0, η, r, t, m, and appropriate constants.
A 4.8-cm-diameter, 55 g ball is shot horizontally into a tank of 40∘C∘C honey. How long will it take for the horizontal speed to decrease to 10%% of its initial value?
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