Homework Help: Physics

Posted by James on Wednesday, September 26, 2012 at 6:35pm.

A woman driving at a speed of 23 m/s sees a deer on the road ahead and applies the brakes when she is 210 m from the deer. If the deer does not move and the car stops right before it hits the deer, what is the acceleration provided by the car's brakes?

Physics - Scott, Wednesday, September 26, 2012 at 7:23pm
average speed (Va) is __ (23 + 0) / 2

time (t) is distance/speed __ 210 / Va

acceleration is speed change/time
__ (0 - 23) / t
Physics - Anonymous, Thursday, March 14, 2013 at 6:37pm
lalala

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