Two drops of the same radius are falling through air with a steady velocity of 5 cm per sec. If the two drops coalesce, the terminal velocity would be
A
10 cm per sec
B
2.5 cm per sec
C
per sec
D
per sec
Text Solution
Verified by ExpertsThe correct answer is:
C
If two drops of same radius r coalesce then radius of new drop is given by R
⇒ ⇒ 
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