an elevator descends into a mine shaft at a rate of 6m/min if it decends from 10m above the ground level how long wil it take to rach 360m
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Answer:
-350 m means 350m below the ground level.
initially the lavator is at 10m above the ground level.
hence, total distance travelled is 350+10=360m.
rate of travel is 6m/min.
hence, time taken is
total distance. 360
----------------------- = ----- = 60 min or 1 hour .
rate of travel. 6
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