An elevator of a building descendsat the rate of 9m/minute. If it begins to descend from 40m above the ground, what will be its possition after 60 min?
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Answer:
Step-by-step explanation:
Rate of descent= 9m/min
Height descended in 60 mins = 9×60 = 540m
Height at which the elevator started descending = 40m
Height after 60 mins = 40 - 540 = -500m
Hope it helps u....
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