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Question: point p on the robot arm moves by the formulas...

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Point P on the robot arm moves by the formulas shown. Determine the velocity and acceleration magnitudes at t = 0.8s. Also determine the radius of curvature of the path at this instant. Ans: v 3.01 m/s (1-0.5 cos2TI r θ-0.5-0.2 sin2mtrad.
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