A man claims he can safely hold on to the child of 12.0 kg in a head-on collision having a relative speed of 120-mi/h lasting for 0.10 s as long as he has his seat belt on. (i) Determine the magnitude of the average force required to hold onto the child. (ii) Based on the outcome to part (i), is the man's claim valid? (iii) Determine what does the answer to this problem state about laws needing the use of proper safety devices like seat belts and special toddler seats?