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A smooth spherical ball of radius 1cm an...

A smooth spherical ball of radius `1cm` and density `4xx10^(3)kg//m^(3)` is dropped gently in a large container containing viscous liquid of density `2xx10^(3)kg//m^(3)`, and `eta=0.1 N-s//m^(2)`. The distance moved by the ball in `t=0.1sec` after it attains terminal velocity is

A

`4/5 m` up

B

`4/9 m` up

C

`2/3 m` down

D

`4/9 m` down

Text Solution

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The correct Answer is:
D
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