Originally Posted by
iron_mike
You seem quite invested in this. How about you do the calculations, and I'll continue to enjoy hanging out at the cottage with my family?
Not at all. YOU brought up the 400 kg effective mass of a ~5 kg baby during deceleration. I was merely curious as to what assumptions you employed because my gut tells me 400 is off by an order of magnitude. That having been said, I haven't studied physics since high school.