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An incompressible liquid travels as show...

An incompressible liquid travels as shown in figure. Calculate the speed of the fluid in lower branch

A

`1. 0 ms ^(-1)`

B

`1. 5 ms ^(-1)`

C

`2.5 ms ^(-1)`

D

`3. 0 ms ^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
A

From equation of continuity
`Av = A _(1) v_(1) + A _(2) v_(2)`
` ( 0.12 ) (3) = (0. 12) ( 1. 5) + (0.18) v `
`0.36 = 0.18 + (0.18)v `
`0.18 = (0.18) v `
`v = 1 m//s`
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