F12-34. The platform is rotating about the vertical axis
Chapter 12, Problem F12-34(choose chapter or problem)
F12-34. The platform is rotating about the vertical axis such that at any instant its angular position is 0 = (4/v2) rad, where t is in seconds. A ball rolls outward along the radial groove so that its position is r (O.lr'tm, where t is in seconds. Determine the magnitudes of the velocity and acceleration of the ball when t 1.5 s.
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