The fireball radius and air blast radius are probably proportional to different multiples and/or powers of the bomb's total energy. For example, if A = 7x^2 an

The fireball radius and air blast radius are probably proportional to different multiples and/or powers of the bomb's total energy. For example, if A = 7x^2 and B = 2x^3, A will be larger than B when x is small, but B will overtake A as x grows beyond a certain point.