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Question : The box slides down the helical ramp which is defined by r =...

The box slides down the helical ramp which is defined by r = 0.5 m , \theta =(0.5{t}^{3}) rad , and z = (2 – 0.2{t}^{2}) m , where t is in seconds. Determine the magnitudes of the velocity and acceleration of the box at the instant \theta = 2\pi rad .

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