A large cubical water tank has dimensions 3.0 m x 3.0 m x 3.0 m. The...

 

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A large cubical water tank has dimensions 3.0 m x 3.0 m x 3.0 m. The tank is filled to the top with water. A hole is opened in the bottom of the tank. What is the speed of the water exiting the tank through the hole (in m s)? [You may assume that the water surface is stationary at the top .of the tank, and that the water may be treated as non-viscous, with laminar flow. The density of water is 1.0 x 10 kg m-3 m³] (A) 0.72 (E) The velocity cannot be calculated unless we know the area of the hole. (В) 3.1 (С) 7.7 (D) 12.9 A large cubical water tank has dimensions 3.0 m x 3.0 m x 3.0 m. The tank is filled to the top with water. A hole is opened in the bottom of the tank. What is the speed of the water exiting the tank through the hole (in m s)? [You may assume that the water surface is stationary at the top .of the tank, and that the water may be treated as non-viscous, with laminar flow. The density of water is 1.0 x 10 kg m-3 m³] (A) 0.72 (E) The velocity cannot be calculated unless we know the area of the hole. (В) 3.1 (С) 7.7 (D) 12.9

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