An elevator descends into a mine shaft at the rate of 6 m/min. If the descent starts from 10 m above the ground level, how long will it take to reach - 350 m ?
(a) 10 min
(b) 20 min
(c) 1 hour
(d) 45 min
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We’ll first take out the distance between 10m to -350m
So, it would be 10- (-350)
=10 + 350
= 360
So, if the elevator descends 6m in one minute, then how long will it take to reach 1m?
It will be: 1/6
So, if it descends 1m in 1/6 minutes, then how long will it take to descend 360m?
=1/6 x 360
=60
The answer is 60
So, it would be 10- (-350)
=10 + 350
= 360
So, if the elevator descends 6m in one minute, then how long will it take to reach 1m?
It will be: 1/6
So, if it descends 1m in 1/6 minutes, then how long will it take to descend 360m?
=1/6 x 360
=60
The answer is 60
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