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 ?​

Answer 1

Answer:

sorry this answer is no idenfication

Answer 2

Answer:

d=20m

convert into m/sec

speed rate3m/60 sec

so time 20*20 = 40 sec

hope it helps