1.

.. Figure shows a liquid flowing through a tube at the rate of\[0.1{{m}^{3}}/s\]. The tube is branched into two semicircular tubes of cross - sectional area A/3 and 2A/3, The velocity of liquid at Q is (the cross-section of the main tube is\[A={{10}^{-2}}{{m}^{2}}\] and  \[{{V}_{p}}=20m/s\]  

A. 5 m/s
B. 30m/s 
C. 35 m/s
D. None of these   
Answer» B. 30m/s 


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