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A sports car is advertised to be able to stop in a distance of 60 m from a speed of 100 km/h. (a) What is its acceleration in m/s2? (b) How many g's is this (g = 9.80 m/s2)?

A car accelerates from 16 m/s to 45 m/s in 4.0 s. Assume constant acceleration. What was its acceleration? How far did it travel in this time?