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Physics

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If your car accelerates from rest at a steady rate of 4 m/s2, how soon will it reach 84 km/h

  • Physics - ,

    V = 81km/h = 81000m/3600s = 22.5 m/s.

    V = Vo + at = 22.5 m/s.
    0 + 4*t = 22.5
    t = 5.625 s.

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