Water flows through a pipe of diameter 0.30 m. What would

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Water flows through a pipe of diameter 0.30 m. What would be the velocity V for the conditions shown in the figure below?

1. 79.2 m/s
2. 11.6 m/s
3. 27.6 m/s
4. 1.084 m/s

Correct Option: D

h = x		1 −	ρ_mano
			ρ_pipe

= 0.3		1 −	800
			1000

= 0.06 m of water
V₁ = √2gh = √2 × 9.8 × 0.6
= 1.084 m/s