4 Part A Find an expression for the minimum stopping distance dstop of a car traveling at speed up if the driver's reaction time is Treact and the magnitude of the acceleration during maximum brak a constant abrake Express your answer in terms of the variables vo, Treact, and abrake. dstop ΜΕ ΑΣΦ Submit Request Answer 4 Part B ? A car traveling at 30 m/s can stop in a distance of 70 m, including the distance traveled during the driver's reaction time of 0.50 s. What is the minimum stopping distance for the same car traveling at a speed of 46 m/s? Express your answer with the appropriate units. μA d = Value Submit Request Answer m ?

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