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  • In the given figure, the velocity  will be  <img alt="" src="https://cdn.entrance360.com/media/up

In the given figure, the velocity V_3 will be 

Option: 1

2m/s


Option: 2

4m/s


Option: 3

1m/s


Option: 4

3m/s


Answers (1)

best_answer

From continuity equation

A_1 V_1=A_2 V_2+A_3 V_3

\therefore \quad V_3=\frac{A_1 V_1-A_2 V_2}{A_3}

\begin{aligned} & V_3=\frac{(0.2 \times 4)-(0.2 \times 2)}{0.4} \\ & V_3=\frac{0.8-0.4}{0.4}=\frac{0.4}{0.4} \end{aligned}

V_3=1 \mathrm{~m} / \mathrm{s} .

Posted by

vinayak

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