Question

An elevator descend into a mine shaft at the rate of 6m/min. The descent starts from 10 m above sea level .
(i) Where will it reach in 20 minutes?
(ii) How long will it take to reach a depth of -350 m ?

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Answer 1

Answer:Please check the explaination for part A

Step-by-step explanation:

Speed of the elevator=6 meter/minute

Starting point=-10m

A)In 10 minutes, the distance covered is= 6m ×10=60 m

As the elevator started from -10m and descended 60m more, it reached -10m-60m

which is -70m

ANS -70 M

Answer 2

Answer:

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Step-by-step explanation:

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