Question

an elevator descends into a mine shaft at the rate of 6 metres per minute if the descent starts from 10 m above ground level how long will it take to reach -350m​

Answer 1

Answer:

1 hr.

Step-by-step explanation:

The rate of 6m/min means that, in every minute, it goes down by 6m

We have 10 above the ground and 350 m below the ground

Note:

-350 m, means it is 350 m below the ground

Total distance = 10 + 350

                      = 360 m

Time taken = 360/6

                 = 60 minutes

OR

1 hour

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