10. An Iron cylinder weights 11 N outside water and only 9 N when totally submerged in it. What is the volume of the cylinder? 11. On which situation is the buoyant force acting on a submarine more, when it is floating at the surface, or when it is totally submerged at the distance of 100 m from the surface. What will be the pressure excepted by the water on the top part of the submarine? (density of H20 = 1025 Kg/ m'.). 12. Your friend bought a 0.1 Kg golden ring at the open market. He is not totally sure about the material the ring is made of. So, you lower the ring into a container of water and measure the volume of displaced water. What must be the volume of displaced water if the ring is made of pure gold