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physics

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n boat starts from rest and accelerates at a constant rate to a final speed of 28 m/s over a distance of 780 m. How much time will this take?

  • physics -

    Vf^2=Vi^2+2ad

    solve for a, then..
    28=at solve for t.

  • physics -

    actually, there is an easier way. Avg velocity is 14m/s

    time to travel= distance/avgvelocity

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