(a) Explain, with reference to moments about the centreline, how the list may be removed (6)

(b) A ship of 12250 tonnes displacement, has KM = 8 meters, KB = 3.8 meters, KG = 8 meters and is floating upright. Find the list if a weight of 2 tonnes, already on board, is shifted transversely through a horizontal distance of 12 meters assuming that the ship is wall-sided (10)