Determine the water pressure at the bottom of the tank if its height has become 5m and its density is 1000kg / m.

Given: h (height of the water level in the used tank) = 5 m.

Constants: g (acceleration due to gravity) ≈ 10 m / s2; according to the condition ρw (density of water in the tank) = 1000 kg / m3.

To determine the required water pressure at the bottom of the tank used, we apply the formula: P = ρw * g * h.

Calculation: P = 1000 * 10 * 5 = 50 * 10 ^ 3 Pa = 50 kPa.

Answer: Water will create a pressure of 50 kPa at the bottom of the used tank.