Answer: You are driving to the grocery store at 20 m/s.
Chapter 2, Problem 2.92(choose chapter or problem)
You are driving to the grocery store at 20 m/s. You are 110 m from an intersection when the traffic light turns red. Assume that your reaction time is 0.50 s and that your car brakes with constant acceleration. What magnitude braking acceleration will bring you to a stop exactly at the intersection?
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