An elevator descends into a mine shaft at the rate of 6m/min. If the descent starts from 10m above the ground level, how long will it take to reach -350m.
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hey friend,
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Let required time be x mins.
In x mins. it decends = -6×x m
= -6x m
In x mins. it reached = 10+(-6x) m
= 10-6x m
Therefore,
10-6x = -350
=> -6x = -350-10 = -360
=> x = -360/-6
=> x = 60
Therefore,
It takes 60 mins. or 1 hour to reach -350m.
__________________________
I hope this answer helps you, please mark it brainliest....
________________________
Let required time be x mins.
In x mins. it decends = -6×x m
= -6x m
In x mins. it reached = 10+(-6x) m
= 10-6x m
Therefore,
10-6x = -350
=> -6x = -350-10 = -360
=> x = -360/-6
=> x = 60
Therefore,
It takes 60 mins. or 1 hour to reach -350m.
__________________________
I hope this answer helps you, please mark it brainliest....
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