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The position of a particle moving in a straight line is given by e-t s(t) = e cos (5t) fort > 0, where t

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The position of a particle moving in a straight line is given by e-t s(t) = e cos (5t) fort > 0, where t is in seconds. If the particle changes direction at time T seconds, then Tmust satisfy the equation: -t A. 5e sin(5t) = 0 B. tan(57) = OC. cos(57) = 0 - O D. 5T = arctan (5) E. cot (57) = 5

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