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March 30, 2017

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Starting from rest, a boat increases its speed to 4.92 m/s with constant acceleration.

(a) What is the boat's average speed?

(b) If it takes the boat 5.07 s to reach this speed, how far has it traveled?

  • physics - ,

    initial velocity = 0 m/s
    final velocity = 4.92 m/s
    constant acceleration so,
    (a) average velocity =
    (initial velocity + final velocity)/2

    (b) distance = average velocity x time

    substitute and calculate

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