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yankeeez
A car slows down from 22 m/s to rest in a distance of 83 m. What was its acceleration, assumed constant?
use one of the five kinematics equation \(v_f^2=v_i^2+2ad\) solving for \(a\) will give you: \(a=\frac{v_f^2-v_i^2}{2d}\) in your case \(v_f=0,\ v_i=22\, d=83\)