6a-4 = 3a+54
3a = 58
a = 58/3
a= 19.333
Answer: 31
Step-by-step explanation: 8+8+15=31
Answer:
the answer is c!
Step-by-step explanation:
Rest mass energy = m*c^2
Total relativistic engery = Rest mass energy + Kinetic Energy
Total relativistic engery = 5 * mc^2 + m*c^2
Total relativistic engery = 6 mc^2
Total relativistic engery =<span> 6 * 9.11 * 10^-31 * (3.0*10^8)^2</span>
Total relativistic engery = 4.92 * 10^-13 J