Three blocks are located on a horizontal table. The coefficient of kinetic friction between the blocks...

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Three blocks are located on a horizontal table. The coefficient of kinetic friction between the blocks and the table is 0.069. They are connected by a massless cord, as shown in the figure below, and pulled to the right. The masses of the three blocks are m₁ = 8.5 kg, m₂ = 3.0 kg, and m₃ = 7.5 kg. The pulling force is equal to T₃ = 80.0 N. What is the tension T₂?

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