An open tank is filled with water to a height of 20 m. What is the velocity of the water flow at the outlet, if the outlet is at the base of the tank?
- A. 40 m/s (approx.)
- B. 20 m/s (approx.)
- C. 10 m/s (approx.)
- D. 5 m/s (approx.)
Answer: B. 20 m/s (approx.)