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The device in the sketch rotates about the vertical axis atw1800 revmin and the angle locating the arms relative to the vertical is known to vary

The device in the sketch rotates about the vertical axis atw=1800 rev/min, and the angle locating the arms relative to the vertical is known to vary asq(t)=sin(120t) rad, wheretis in units of seconds. Determine the velocity and the acceleration of sphereas a function of time. Then evaluate these expressions for the instants when the elevation of the sphere is a maximum and a minimum.

 

Jun 15 2020 View more View Less

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