A particle released from rest is falling through a thick fluid und | Filo
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Class 11

Physics

Mechanics

Mechanical Properties of Fluids

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A particle released from rest is falling through a thick fluid under gravity. The fluid exerts a resistive force on the particle proportional to the square of its speed. Which one of the following graphs best depicts the variation of its speed with time ?

Correct Answer: Option(a)
Solution: Let the effective
Now we know
Initially velocity will rise and later then velocity will become constant .
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