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26 February, 20:44

Yosemite Sam was sailing his ship at a speed of 67 m/s when suddenly a storm accelerated his boat at a rate of 5.4 m/s^2 over a time period of 55s. What was Sam's final velocity? What formula must be used?

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  1. 26 February, 21:03
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    Answer: vf = 364 m/s

    Explanation: Use the formula for acceleration:

    a = vf - vi / t

    Derive for vf:

    vf = (at) + vi

    = 5.4 m/s² (55s) + 67 m/s

    = 364 m/s
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