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A large number of droplets, each of radi...

A large number of droplets, each of radius a, coalesce to form a bigger drop of radius `b`. Assume that the energy released in the process is converted into the kinetic energy of the drop. The velocity of the drop is `sigma =` surface tension, `rho =` density)

A

`[frac(3S)(p)(1/a-1/b)]^(1//2)`

B

`[frac(6S)(p)(1/a-1/b)]^(1//2)`

C

`[frac(2S)(p)(1/a-1/b)]^(1//2)`

D

`[frac(S)(p)(1/a-1/b)]^(1//2)`

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