Physics, 31.01.2021 05:20, shdidiod

A car left skid marks 78 m long on a road as it slid to a stop. If the car's acceleration was -3.9 m/s2, what was its velocity before it began to skid, to the nearest m/s?

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A car left skid marks 78 m long on a road as it slid to a stop. If the car's acceleration was -3.9 m...