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Q. Two particles of masses 8kg and 5kg are connected to the two ends of a light inextensible string which passes over a fixed smooth pulley. Initially each of the two particles are held at a position which is 5 m above a horizontal ground. The objects are then released from rest. Assuming that the particles never reach the pulley, and also that the particles do not rebound when they strike the ground.

(i) Find the tension in the string and the acceleration of each particle

(ii) find the distance above the ground of the point H, the highest point reached by the 5 kg mass.

(iii) Find the speed with that the system is jerked into motion and the impulse experienced by the string during the jerk.

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