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The mass of the liquid flowing per secon...

The mass of the liquid flowing per second per unit area of cross-section of the tube is proportional to (pressure difference across the ends)^(n) and (average velocity of the liquid)^(m). Which of the following relations between m and n is correct?

A

`m=n`

B

`m= -n`

C

`m^(2)=n`

D

`m= -n^(2)`

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