Tuesday
July 28, 2015

Homework Help: Physics

Posted by Sue on Friday, June 27, 2014 at 10:56pm.

A car is traveling at 11.0 m/s, and the driver sees a traffic light turn red. After .59 s (the reaction time), the driver applies the brakes, and the car decelerates at 8 m/s^2. What is the stopping distance of the car, as measured from the point where the driver first sees the red light?

Vf= 11+(-8m/s^2)(.59)
Vf=6.28

x=1/2(Vi +Vf)(t)
x=1/2(11+6.28)(.59)
x=5.0976

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