A man descends into an underground floor at the rate of 6 metres per minute. If the descent starts start from 10 metres above the ground level, how much time will it take to descend 230 metres below the ground?
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Answer:
Step-by-step explanation:
Considering the elevator to be at constant speed and the destination to be 230 m below ground level,
The elevator has to travel 10m till the ground, then 230 m more.
So, the total distance to travel is 230 m
If the elevator's speed is 6 metres/minute,
Then
Time= Distance/Speed
= 230/6
=38 minutes
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