Each of the systems shown is initially at rest. Neglecting axle friction and the masses of the pulleys, determine for each system: a. the acceleration of block A b. the velocity of block A after it has moved through 10 ft c. the time required for block A to reach a velocity of 20 ft/s Left Middle Right 100 lb 100 lb A A 2100 lb 200 lb 200 lb 2200 lb

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