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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Answer:
60min or 1 hour
Step-by-step explanation:
speed of elevator 6m/ min
it takes to reach -350m
-350+(-10)
-350-10
-360
-360÷6= 60min or 1 hour
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