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Determine the height above the dashed li...

Determine the height above the dashed line X X' attained by the water stream coming out through the hole is situated at point B in the diagram given below. Given that h=10 m, L=2 m and `alpha=30^(@)`.

A

10 m

B

7.1 m

C

5 m

D

3.2 m

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The correct Answer is:
D
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