Due to air a falling body faces a resistive force proportional to | Filo
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Class 11

Physics

Mechanics

Mechanical Properties of Fluids

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Due to air a falling body faces a resistive force proportional to square of velocity , consequently its effective downward acceleration is reduced and is given by where . The terminal velocity of the falling body is (in m/s)

Correct Answer: Option(b)
Solution: As velocity increases will decrease and at some point, it will become zero and velocity become constant that is terminal velocity.
At terminal velocity-      

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