A container has a hole with a diameter of 1.8 cm^2 at the bottom. Through the hole goes 280 cm^3 of water every second out. At what hight does the water settle over time? What is the velocity of the jet through the hole at the bottom of the container at that moment? (The solution is 12 cm and 1.6 m/s)

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Variation of pressure

From the equation of pressure, pressure is directly proportional to the applied force.