An elevator descends into a mine shaft at the rate of 8 m/min. If it starts descending on
5 m above the ground level, how long will it take to reach -195 m?
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Answer:
Step-by-step explanation:
Total distance of descend = 5 m + 195 m
= 200m.
Rate 0f descend = 8m/minute
Hence time taken fir descend = total distance / rate
= 200/8
=25 minutes
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