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Blocks A, B, and C are placed as in the diagram below and connected by ropes of negligible mass. Both A and B weigh 25.0 N each, and the coefficient of kinetic friction between each block and the surface is 0.35. Block C descends with a constant velocity.
a) Find the tension (T1) in the rope connecting blocks A and B.
b) What is the weight of block C?
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