Wednesday
October 22, 2014

Homework Help: physics

Posted by johny on Wednesday, May 30, 2012 at 11:33am.

Imagine a car involved in a head-on crash. The driver, whose mass is m, is to be brought uniformly to rest within the passenger compartment by compressing an inflated air bag through a distance sc. Write an expression for the average force exerted on the bag in terms of m, vi, and sc.  Compute  the  average  force  for  a  100  km/h  collision,  where  the  driver’s  mass  is  60  kg  and  the   allowed stopping distance in the bag is 30 cm.

i don't even understand this question....theres a lot going on in the question.....help needed..

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