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6 Nov 2019
You are driving to the grocery store at 24 m/s. You are 130 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.
a) What acceleration (magnitude) will bring you to rest right at the intersection?
b) How long (total) does it take you to stop after the light turns red?
You are driving to the grocery store at 24 m/s. You are 130 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.
a) What acceleration (magnitude) will bring you to rest right at the intersection?
b) How long (total) does it take you to stop after the light turns red?
28 Jan 2021
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