In an open tank, water level is maintained at a constant level through a supply of water. The tank is provided circular opening of 2 cm radius which discharges 0.74 m^3 water per minute. Determine the depth from the top to the centre of the opening for the above hydraulic condition?
- A. 6.0 m
- B. 4.8 m
- C. 9.6 m
- D. 2.9 m