Question

5. An elevator is 25 m below the ground level and it ascends at the rate of 5 m/min. Find the time taken by it to reach 50 m above the ground.​

Answer 1

Answer:

Let s –  total distance.

Then,s=25+50=75

Let v –  speed of elevator, so v =  5 m/min

.Let t–  time to cover total distance.

t=sv=755=

15

Answer 2

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