Question

an elevator descends into a mine shaft at the rate of 8 metre per minute if the diction starts from 30 metre above the ground level find the time taken by elevator to reach -270​

Answer 1

Question:

An elevator descends into a mine shaft at the rate of 8 metre per minute if the diction starts from 30 metre above the ground level find the time taken by elevator to reach -270.

Understanding the problem:​

We know that,

The elevator travels 8m/min

The elevator is 30 m above ground level

The elevator has to reach -270m below ground level

Solution:

Total distance = 300 m (distance cannot be neative)

Now we divide it by 8

300m/8m per min

=37.5 mins

Answer:

37.5 minutes to reach -270 m below ground level.