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upward force is applied to the upper end of the rope, and this results in a tension in the rope of T(t) = (36.0 N/s)t. The box is at rest at t = 0. The only forces on the box are the tension in the rope and gravity. (a) What is the velocity of the box at (i) t = 1.00 s and (ii) ? = 3.00 s? (b) What is the maximum distance that the box descends below its initial position? (c) At what value of i does the box return to its initial position?

Fig: 1