Determine the work completed on the puck

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Reference no: EM1386590

Q. The puck has a mass of 0.140kg. Its original distance from the center of rotation is 40.0 cm, and it moves with a speed of 70cm/s. The string is pulled downward 15cm by the hole in the frictionless table. Determine the work completed on the puck. (Hint: Consider the change of kinetic energy of the puck.)

Reference no: EM1386590

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