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An Australian emu is running due south in a straight line at a speed of 16.9 m/s and slows down to a speed of 13.9 m/s in 3.5 s.

Assuming that the acceleration remains the same, what is the bird's velocity after an additional 2.0 s has elapsed? (Assume that due south is the positive direction. Indicate the direction with the sign of your answer.)

  • physics -


    V = Vo _ a*t
    V = 13.9- 0.769*2 = 12.4 m/s.

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