physics

posted by Lorraine

A car coasts (engine off) up a 30 degree grade. If the speed of the car is 25m/s at the bottom of the grade, what is the distance traveled by the car before it comes to rest?

  1. Elena

    m•a=m•g•sinα
    a=g•sinα
    s=v²/2•a=
    = v²/2•g•sinα=
    =25²/2•9.8•0.5=
    =63.78 m

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