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Far out in space, a mass m1=148300.0 kg rocket and a mass m2= 245000.0 kg rocket are docked at opposite ends of a motionless 87.0m long connecting tunnel. The tunnel is rigid and has a mass of 11600.0kg. How far from the 148300.0-kg rocket is the center of mass? The rockets start their engines simultaneously, each generating 55160.0N of thrust in opposite directions. What is the structure's angular velocity after 57.8s?

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