The motion of a vibrating particle is defined by the position vector r = 10(1 - e-35i + (4e 2sin 15tj, where r and tare expressed in millimeters and seconds, respectively. 3 2 1 4 6 -1 Determine the velocity and acceleration when t= 0. When t= 0, the velocity is |mm/s 63.4° and the acceleration is |mm/s2

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