An Australian emu is running due east in a straight line at a speed of 17.5 m/s

Question

An Australian emu is running due east in a straight line at a speed of 17.5 m/s and slows down to a speed of 12.2 m/s in 4.1 s. (a) What is the direction of the bird's acceleration? (b) Assuming that the acceleration remains the same, what is the bird's velocity after an additional 2.0 s has elapsed? (Assume that due east is the positive direction. Indicate the direction with the sign of your answer.)

Explanation / Answer

please do rate the answers ::):) a) as there is decelration here the acceleration => WEST direction b) a = 17.5-12.2/4.1 a =1.2926 m/s^2 v = u+at v = 12.2 -1.2926*2 V = 9.61 m/sec ----------ANSWER please rate 5 stars only if shown the steps..:)

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