The height of the Centre of metadata from the experiments and theory are very different may be caused by a faulty reading angles because the mass swing and boat hull leaks that occurred.
The height of the center of the trials and meta-theory is very different. May be due to a faulty reading corner. The pendulum swing And the ship was leaking on the boat.
The height of the center of the meta experiment and theory is the difference. May be caused by reading the wrong angle, because pendulum swing and the ship's leak in the hull.