(Answered) An australian emu is running due north in a straight line

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An Australian emu is running due north in a straight line at a speed of 13.0 m/s and slows down to a speed of 11.0 m/s in 4.90 s.

(a) What is the magnitude and direction of the bird's acceleration?

(b) Assuming that the acceleration remains the same, what is the bird's velocity after an additional 1.00 s has elapsed

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