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A vacuum-propelled capsule for a high-speed tube transportation system of the future is being designed for operation between two
stations A and B, which are 12.9 km apart. If the acceleration and deceleration are to have a limiting magnitude of 0.63g and if
velocities are to be limited to 440 km/h, determine the minimum time t for the capsule to make the 12.9-km trip.
В
12.9 km
Answer: t = i
min

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