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.
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Answer:
It takes about 15 minutes
Explanation:
Time to reach ground level = 25m/5
=5min to reach ground level
Time to reach 50m above ground level = 50+25m/5
=75/5
=15min
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