Question
Question: If the velocity head of a flowing water stream is 2.0 m, its velocity is...
If the velocity head of a flowing water stream is 2.0 m, its velocity is
A
√40 m/s
B
√20 m/s
C
20 m/s
D
10√20 m/s
Answer
√40 m/s
Explanation
Solution
The velocity head = 
= 2, g = 10m/s2
Given v2 = 2 × 2g = 2×2×10 = 40 ⇒ v = √40 m/s