14) An elevator descent into a shaft at the rate of 3 m/min if the descent starts from 40 m above the ground level. How long will it ta

Question

14) An elevator descent into a shaft at the rate of 3 m/min if the descent starts from 40 m above
the ground level. How long will it take to reach 20 m ?​

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1 month 2021-08-13T11:26:00+00:00 2 Answers 0 views 0

d=20m

convert into m/sec

speed rate3m/60 sec

so time 20*20 = 40 sec

hope it helps