Asked by victoria c
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.)
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.)
Answers
Answered by
Henry
a=(V-Vo)/t=(13.9-16.90)/3.5=-0.769m/s^2
V = Vo _ a*t
V = 13.9- 0.769*2 = 12.4 m/s.
V = Vo _ a*t
V = 13.9- 0.769*2 = 12.4 m/s.
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