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Q. When the three blocks are released from rest, they accelerate with a magnitude of 0.450 m/s2. Block 1 has mass M, block 2 has 7M, and block 3 has 7M. What is the coefficient of kinetic friction between block 2 and table?

Q. A particle of mass m is attracted to a force center with force of magnitude k/r2. Use plane ploar coordinates and find Hamilton's equations of motion.

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