A car traveling at 7.3 m/s accelerates at the rate of 0.82 m/s2 for an interval of 7.4 s. Find vf.

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Question:

A car traveling at 7.3 m/s accelerates at the rate of 0.82 m/s2 for an interval of 7.4 s. Find vf.

Answers

Final velocity is 13.37 m/sExplanation:We have equation of motion v = u + at      Initial velocity, u = 7.3 m/s      Final velocity, v = ?      Time, t = 7.4 s      Acceleration,a = 0.82 m/s²      Substituting                       v = u + at                         v = 7.3 + 0.82 x 7.4                       v = 13.368 m/sFinal velocity is 13.37 m/s

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