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Posted by on Tuesday, October 2, 2012 at 8:58pm.

A speedboat starts from rest and accelerates at +1.90m/s^2 for 7.00 s. At the end of this time, the boat continues for an additional 6.00 s with an acceleration of +0.529m/s^2. Following this, the boat accelerates at -1.47m/s^2 for 8.00 s.
**What is the total displacement of the boat?

  • physics ..PLEASE HELP ASSIGN DUE SOON :( - , Tuesday, October 2, 2012 at 9:07pm

    break this into three parts, figure the final velocity, and displacement for each.

    A. vf=at=you figure
    da=1/2 a t^2 + Vi*t

    B. Vi=vf from above.
    vfb=vi +a*t
    db=viIt + 1/2 a t^2

    C do the same.

    add the three displacements, da, db, dc

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