elevator descends into mine shaft at rate of 6 m per minute if he starts from 15m above ground level. how long will it take to reach -370m
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Elevator is 15m above ground level.
It has to reach -370m.
So total vertical distance is = 15 + 370 = 385m
Given that speed = 6m/min
Therefore time taken = 385/6 = 64.16 minutes
It has to reach -370m.
So total vertical distance is = 15 + 370 = 385m
Given that speed = 6m/min
Therefore time taken = 385/6 = 64.16 minutes
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