英语翻译甲、乙两人从一楼乘同一部电梯上一座高楼,电梯始终以1.5m/s的速度匀速上升或下降,每遇到乘客到自己的楼层只停留

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  • A,B and two from the first floor with an elevator ride on a high-rise buildings,elevators always 1.5m / s speed of uniform rise or fall,when confronted with the passengers to their floors to stay 4s only one other person to continue to send their own floor each layer-storey 3m,are known to their floors a used 12s,B to their floor with a 22s,asked A,B where both the floor?

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