Suppose you are driving at speed&nbspv0&nbspwhen a sudden obstacle

Suppose you are driving at speed v0 when a sudden obstacle in the road forces you to make a quick stop. If your reaction time before applying the brakes is tR, what constant deceleration (absolute value of ax) do you need to stop in distance d? Assume that d is larger than the car travels during your reaction time.Express your answer in terms of the variables v0, d, tR.

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