Question: Box A and B are connected by a string passing over a frictionless pulley. When the boxes are in motion, Box A experiences a force

Box A and B are connected by a string passing over a frictionless pulley. When the boxes are in motion, Box A experiences a force of kinetic friction of magnitude 9.8 N due to the rough surface. If the mass of box A is 2.4 kg and the mass of box B is 3.0 kg, calculate the magnitude of (a) the acceleration of the boxes (b) the tension in the string A B

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