Physics

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A car that was initially at rest reaches a final speed of +50.0 m/s over a displacement of +55.0 m.

What is the magnitude of the acceleration?

Find the time it took to travel the first 55 m.

  • Physics -

    a=v²/2s=...
    s=at²/2 =>
    t=sqrt{2s/a)=...

  • Physics -

    I don't understand.. could you give a better answer?

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