In a free vortex motion, the tangential velocity of water particular is proportional toA. distance from the centre (r)B. r2C. 1/rD. \(\frac{1}{{{r^2}}}\)

In a free vortex motion, the tangential velocity of water particular i

1.	In a free vortex motion, the tangential velocity of water particular is proportional toA. distance from the centre (r)B. r2C. 1/rD. \(\frac{1}{{{r^2}}}\)
A.	Only A
B.	Only B
C.	Only C
D.	Only D
Answer» D. Only D