Question

An elevator descends into a mine shaft at the rate of 6m/min. If the descent starts from 10 m
above the ground level, how long will it take to reach 350 m?
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Answer 1

Answer:

Considering the elevator to be at constant speed and the destination to be 350 m below ground level, The elevator has to travel 10m till the ground, then 350 m more. Thus the elevator would take 1 hour to reach its destination.