{"knowledge_schema": {"broad_category": "Physics \u2192 Nuclear Physics \u2192 Fission", "refinement": "This problem involves the conservation of energy and momentum in the context of nuclear fission, specifically focusing on the kinetic energy of the resulting fragments.", "specific_scope": "The scenario describes a nucleus undergoing spontaneous fission, resulting in two fragments with a specific mass ratio and total mass, requiring calculations of kinetic energy using both relativistic and classical mechanics.", "goal": "Calculate the kinetic energy of the more massive fragment using both relativistic and classical methods, and find the difference between the two results."}, "summary": "This problem deals with the fission of an atomic nucleus and the subsequent kinetic energy of the resulting fragments. It requires applying principles of conservation of energy and momentum to determine the kinetic energy of the more massive fragment using both relativistic and classical approximations. The goal is to find the difference between the two calculated kinetic energies, which is given as 5 MeV."}