Question

11. An elevator descends into a mine shot a these 5 mm. The
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 m2​

Answer 1

Answer:

1 it will reach the Greenland

2 1 hour

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Here,

Initial velocity(u)=0

Final velocity(v)=6m/min

v=u+at

6=0+a(1)

a=6m/

(i)

It will cover distance of 1200 metres in 20 minutes.But it is 10m above sea level.

Therefore it will be at the of 1990m

(ii)Total distance to cover=350+10=360m

It will take to reach a depth of -350 m

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