Page 107 - ebook fluid mechanics_finalize

FLUID MECHANICS

2

2 C ( gh2 ) ( 8.1 − ) h
x = v
g

2
C 4 gh ( 8.1 − ) h
x = v
g

= 2 C v ( h 8.1 − h )

Thus x will be a maximum when ( h 8.1 − ) h is maximum or,

h (  1 − h ) = 8 . 1 − 2 = 0
8 .
h
h

So,

h = 9 . 0 m

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