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41. Two students pull a rock with a mass of 42 kg to remove it in a playground as shown in the diagram. Both of

41. Two students pull a rock with a mass of 42 kg to remove it in a playground as shown in the diagram. Both of the students pull with a force of 140 N at an angle of 35 relative to the direction of motion. The coefficient of kinetic friction between the rock and the ground is 0.54. Find the acceleration of the rock. 42 kg 140 N 350 350 H = 0.54 140 N

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