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Question: When the three blocks in the figure below are released from rest, they accelerate with a magnitude of 0.375 m/s². Block 1 has mass M, block 2 has 7M, and block 3 has 7M.

Part A: What is the coefficient of kinetic friction between block 2 and the table?

I need help to find the coefficient of kinetic friction between block 2 and the table.

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