an elevator descends into a mine shaft at the rate of 4m per minute . if the descent starts from 10m above the ground level , how long will it take to reach -230 m ?
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Answered by
1
time=distance/speed
time = 240/4 mpm
time = 60 min. = 1 hour
time = 240/4 mpm
time = 60 min. = 1 hour
Answered by
0
10 +230 m = 240 m
=240÷4 =60 minute
=1 hr
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