A car travelling at is brought to rest in by uniform braking

PHYSICS · Subjective · AP · Physics 1: Algebra-based · Kinematics · Kinematics

Problem

A car travelling at 20 m s−120\,\text{m}\,\text{s}^{-1} is brought to rest in 50 m50\,\text{m} by uniform braking. Calculate the magnitude of its retardation.

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