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Far out in space, two rockets (160,000 kg and
250,000 kg) are docked at opposite ends of a rigid 12 m
long connecting tunnel of
negligible weight to the rockets.
Both rockets start their engines of
strength F1 = 198 kN and F2 =
225 kN, respectively. How long
does it take for the system to
reach 14 rev/min?

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