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(I) Use the parallel-axis theorem to show that the moment of inertia of a thin rod about an axis perpendicular to the rod at one end is
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Modified Mastering Physics with Pearson eText -- Combo Access -- for Physics for Scientist and Engineers (18 week)
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- (II) A nonrotating cylindrical disk of moment of inertia I is dropped onto an identical disk rotating at angular speed w. Assuming no external torques, what is the final common angular speed of the two disks?arrow_forward(II) A small 350-gram ball on the end of a thin, light rodis rotated in a horizontal circle of radius 1.2 m. Calculate(a) the moment of inertia of the ball about the center ofthe circle, and (b) the torque needed to keep the ballrotating at constant angular velocity if air resistance exertsa force of 0.020 N on the ball. Ignore air resistance onthe rod and its moment of inertia.arrow_forward(3) www. During a stendy right turn, a person exerts the forces shown on the steering wheel. Note that each force consista of a tangential component and a radially- inward component. Determine the moment exerted about the steering column at O. 30 15 15 30 8 N 375 mmarrow_forward
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