We are on a space station with standard atmospheric pressure pa = 101 kPa inside, performing the Torricelli experiment. We take a bottle of mercury, stick a long test tube inside and when it is full, place it vertically in such a way that the open end is submerged under the surface of mercury in the bottle. During the experiment, the space station is sufficiently far from the gravitational influence of any celestial bodies and is accelerating in the direction of the closed end of the test tube (after the above described manipulation) with acceleration a = 20 m·s⁻². How high will the mercury column in the test tube be? The density of mercury is ρ = 13600 kg·m⁻³. Mirek was disappointed by an easy lecture, so he upgraded the problems.