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Eight spherical rain drops of the same m...

Eight spherical rain drops of the same mass and radius are falling down with a terminal speed of `6cms^(-1)`. If they coalesce to form one big drop, what will be its terminal speed? Neglect the buoyancy due to air

A

`1.5cms^(-1)`

B

`6cms^(-1)`

C

`24cms^(-1)`

D

`32cms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
C
`V_(B)=n^(2//3)V_(S)`
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