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1. |
The height of water level in a tank above the centre of a circular hole 2.5 cm in diameter is 50 m. The velocity of water flowing through the hole, is |
A. | 31.1 m/sec |
B. | 31.2 m/sec |
C. | 31.3 m/sec |
D. | 31.4 m/sec. |
Answer» D. 31.4 m/sec. | |