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29-09-2016
Physics

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car slows down from 20 m/s to rest in a distance of 85 m. What was its acceleration, assumed constant?

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Аноним Аноним

29-09-2016

Let's assume that x= the acceleration
x=(vf² - vi²)/(2d)
x=(0 - 23²)/(170)
x= -3.1 m/s²

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