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10.52 air gate 4 m fresh water salt water h 2m salt water Sill
10.52
2 air h water DH,0-624hsf3,g-322Rg2
2 3 2 H O = 62.4 lbs/ft , g = 32.2 ft/s ⎡ ⎤ ρ ⎢ ⎥ ⎣ ⎦ x A B 15’ 10’ 10’ x x A B 15’ 10’ 10’ x
4.5m 8=8j
3m 1.5m A j - g = - -g j - i -
g m
m g θ
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