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Answer to Question #27037 in Acoustics for seb

Question #27037
The velocity of a particle moving in the xy plane is given by , with in meters per second and t (> 0) in seconds. At t = 4.8 s and in unit-vector notation, what are (a) the x component and (b) the y component of the acceleration? (c) When (if ever) is the acceleration zero? (d) At what positive time does the speed equal 10 m/s?
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