an elevator descends into a mine shaft at the rate of 13 m/min . if the descend starts from 20 min above the ground level , how long will it take to reach - 240 m ?
Answers
Answered by
11
Answer:
Step-by-step explanation:
Since it is 20 m above ground level (given)
Total distance =240+20=260m
Given speed =13 m/min
Total time =Total distance /Speed
=260/13=20 min
It will take 20 min or 1200 s
Similar questions