Question

an elevator descends into the mine shaft at rate of 6m/min.If it stats from 10m below the ground level howuch time it will take to reach -50m
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Answer 1

It would take 10 minutes as

EXPLANATION

10 m below the ground = -10m
Total distance = -10-50= -60m

As the elevator descends , it would be a negative integer = -6m/min

So -60/-6 = 10 minutes