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Well, yes.OK, given that the posts before yours had explained how you could calculate the forces if you knew the stopping distance, how did you conclude that " you need to know the stopping distance in order to calculate the stopping distance"?Nobody had said anything about how " to calculate the stopping distance".
Thanks for your reply. Please bear with me, my brain (never very bright) came into existence during the war, it's now even more feeble!
I understand that given the stopping distance you can calculate the force required to decelerate the falling weight. Syphrum gave an example where the stopping distance is one mm, but surely this distance depends on the characteristics of the materials absorbing the impact? The force on a concrete floor would be much greater than on say a rubber floor, because the stopping distance (on rubber) would be much greater. Perhaps I am asking, "how do you know the stopping distance?"
Again, thanks for your reply. Perhaps I should have said the "load per unit area is 1/10...." I seem to remember, when working in design of warehouse vehicles, that floor loadings were based on this sort of measurement.Floor loadings are complicated.
Essentially anything other than sand, glass, and concrete can be considered flammable under these situations.and even they react...
Atoms bouncing off each other collapses their waves.That doesn't even parse.
And if there are outbreaks in some areas hopefully, the experience there will influence other areas to get vaccination rates up to the minimum levels.It hasn't yet...
we can try to prevent spread through schools - for example, by requiring vaccination before kids go to school or pre-schoolI rather like the meme that says "If my kid can't take nuts to school, your kid shouldn't be allowed to take measles".