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  • A spherical ball is dropped in a long column of a highly viscous liquid . The curve in the graph shown, which represents the speed of the ball as a function of time (t) is: <img alt="" sr

A spherical ball is dropped in a long column of a highly viscous liquid . The curve in the graph shown, which represents the speed of the ball as a function of time (t) is:

 

Option: 1

B


Option: 2

C


Option: 3

D


Option: 4

A


Answers (1)

best_answer

Let the spherical ball is dropped with initial speed say, u
With the increase in speed, the friction drag force by stokes increase
until it reaches the terminal speed 

B \rightarrow Buoyancy force
\mathrm{F}+\mathrm{B}=\mathrm{mg}

Posted by

jitender.kumar

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