An elevator descends at the rate of 8 m/min. If it starts from 40 m above the ground
level, how long will it take to reach -400 m?
Answers
Answered by
1
Answer:
55 min
Step-by-step explanation:
speed of elevator=8m/min
he started from 40 m above ground
he will reach -400m from the ground
total distance cover= -400+-40
=-440m
speed = distance /time
time = distance/speed
=-440/8
=55 min (because time is always positive)
Answered by
0
Answer:
Step-by-step explanation:
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