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The top of a water tank is open to air and its water level is maintained. It is giving out 0.74m3 water per minute through a circular opening of 2cm radius in its wall. The depth of the centre of the opening from the level of water in the tank is close to: (1) 9.6m (2) 4.8m (3) 2.9m (4) 6.0m |
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Answer» The correct option (2) 4.8m Explanation: 0.74/60 = π x 4 x 10-4 x √(2gh) => h = 4.8m |
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