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Constrained Motion : Intuitive Approach

At a hydrauli...

Question

At a hydraulic jump, the depths at the two sides are 0.3 m and 1.4. The head loss in the jump is nearly

A

0.95 m

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B

0.79 m

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C

0.45 m

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D

1.0 m

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Solution

The correct option is B 0.79 m
Head (Energy) loss in jump
$E_{L} = \frac{(y_{2} - y_{1})^{3}}{4 y_{1} y_{2}} = \frac{(1.4 - 0.3)^{3}}{4 \times 1.4 \times 0.3} = 0.79 m$

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