A sealed chamber, totally submerged is anchored to the ocean floor. If the chamber has a mass of 2.5 x 140^7 kg and a volume of 2.8 x10^4 m³;
A. What is the buoyant force on the chamber?
B. What is the tension in the anchor chain holding the chamber under water?
C. If the anchor chain were cut, what would be the acceleration of the chamber as it rises to the surface?