Question

an elevator descends into a mine shaft at the rate of 7 metre per min if the descent starts from 5 m above the ground level how lomg will it take to reach -205 metres

Answer 1

Answer:

Total distance covered from A to C =12+468=480 m

Speed =8 m/min

Therefore, time =

Speed

Total distance covered

time=

8

480

=60 minutes.

Step-by-step explanation:

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