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A radar gun at rotates with the angular velocity of \dot { \theta } = 0.1 rad/s and angular acceleration of \ddot { \theta } = 0.025 rad/{s}^{2} , at the instant \theta =45° , as it follows the motion of the car traveling along the circular road having a radius of r = 200 m. Determine the magnitudes of velocity and acceleration of the car at this instant.

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