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Twenty seven identical rain drops colaes...

Twenty seven identical rain drops colaese to form a big rain drop. If this rain drop travels with terminal velocity of 18 `ms^(-1)`, what is the terminal velocity of each small rain drop?

A

4 `ms^(-1)`

B

2 `ms^(-1)`

C

6 `ms^(-1)`

D

10 `ms^(-1)`

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The correct Answer is:
B
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