13. An elevator descends into a coal mine at the rate of
10 m per 2 minutes. If it starts from 10 m above the
ground, how long will it take to reach (-120) m?
Answers
Answered by
0
Step-by-step explanation:
per minute is 5 m. the total distance -120-10 is -130 so 130/5 26 minutes
Answered by
0
-120 m means 120 m below ground level and it starts from 10 m above the ground level thus total distance =120+10 ie 130 m
Speed of the elevator =10 m/2 min
Time =Distance/Speed
= 130/10
= 13
Thus the elevator will take 13 minutes to reach -120 m
Hope it will help you:)
Speed of the elevator =10 m/2 min
Time =Distance/Speed
= 130/10
= 13
Thus the elevator will take 13 minutes to reach -120 m
Hope it will help you:)
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