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A block of mass 1.99kg is accelerated across a rough surface by a rope passing over...


A block of mass 1.99kg is accelerated across a rough surface by a rope passing over a pulley, as shown in the figure below. The tension in the rope is 12.1N, and the pulley is 12.6cm above the top of the block. The coefficient of kinetic friction is 0.375.

Determine the acceleration of the block when x = 0.380m. 2.81 m/s^2. Calculate the value of x at which the acceleration becomes zero.   

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