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A small steel ball of mass m and radius ...

A small steel ball of mass `m` and radius `r` is falling under gravity through a viscous liquid of coefficient of viscosity `eta`. If `g` is the value of acceleration due to gravity. Then the terminal velocity of the ball is proportional to (ignore buoyancy)

A

`v prop (mgr)/(eta)`

B

`v prop mg eta r`

C

`v prop (mg)/(eta r)`

D

`v prop ( eta m g)/(r)`

Text Solution

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The correct Answer is:
c
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