Question: A bird is flying due east. Its distance from a tall building is given by x(t) = 28.0 m + (12.4 m/s)t (0.0450 m/s

A bird is flying due east. Its distance from a tall building is given by x(t) = 28.0 m + (12.4 m/s)t – (0.0450 m/s³)t³. What is the instantaneous velocity of the bird when t = 8.00 s?

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