Posted by zzozo on Tuesday, July 10, 2012 at 5:15am.
(1/2) m v^2 = m g h
v = sqrt (2 g h) where h = 20 cm = .20 m
The speed of the water will be in m/s units, not m/sex
h=0.30 m, hₒ=0.10 m.
Bernoulli’s equation between the top surface and the exitting stream:
Pₒ+0+ρghₒ=Pₒ+ρv²/2+ ρgh,
v² = 2g(hₒ-h),
v=sqrt{2g(hₒ-h)}=sqrt{2•9.8•(0.30-0.10)} =...
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