Fri September 07, 2012 By: Samvedh12 Ammisetti
F = M x a ,ok now we have a car with 500 KG mass and constant velocity 50 kmph. 

A small doubt...

Expert Reply
Fri September 07, 2012
No when it hits the wall the speed changes to 0 in fraction of time.
SO large orce is applied.
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