At time t = 0 s, automobile A is traveling at a speed of 18.6 m/s along a straight road and is picking up speed with an acceleration that has a magnitude of 3.70 m/s2 as in part a of the figure. At t = 0 s, automobile B is traveling at a speed of 18.6 m/s in uniform circular motion as it negotiates a turn (part b of the figure). It has a centripetal acceleration whose magnitude is also 3.70 m/s2. Determine the speed of (a) automobile A and (b) automobile B, when t = 2.0 s.
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