[{"id": 1, "type": "multiple_choice", "options": ["KE = mgh", "KE = Fd", "KE = ½mv²", "KE = mc²"], "question": "What is the formula for kinetic energy?", "correct_answer": "KE = ½mv²"}, {"id": 2, "type": "multiple_choice", "options": ["KE = Fd", "KE = ½mv²", "KE = mc²", "KE = mgh"], "question": "What is the formula for kinetic energy?", "correct_answer": "KE = ½mv²"}, {"id": 3, "type": "multiple_choice", "options": ["KE = mgh", "KE = Fd", "KE = ½mv²", "KE = mc²"], "question": "What is the formula for kinetic energy?", "correct_answer": "KE = ½mv²"}, {"id": 4, "type": "multiple_choice", "options": ["KE = Fd", "KE = mc²", "KE = mgh", "KE = ½mv²"], "question": "What is the formula for kinetic energy?", "correct_answer": "KE = ½mv²"}, {"id": 5, "type": "multiple_choice", "options": ["KE = Fd", "KE = mc²", "KE = ½mv²", "KE = mgh"], "question": "What is the formula for kinetic energy?", "correct_answer": "KE = ½mv²"}]