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Work Energy Theorem

At a hydrauli...

Question

At a hydraulic jump, the depths at the two sides are 0.4 m and 1.4 m. The head loss in the jump is nearly

A

0.45 m

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B

1.0 m

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C

0.7 m

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D

0.9 m

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Solution

The correct option is A 0.45 m
Head loss or energy loss.
$E_{L} = \frac{{(y_{2} - y_{1})}^{3}}{4 y_{2} y_{1}} = \frac{{(1.4 - 0.4)}^{3}}{4 \times 1.4 \times 0.4} = 0.45 m$

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