Question

An elevator descends into a mine shaft at rate of 5 meter per minute .if the descent starts from 50m above ground level, how long will it take to reach -150m.
pls answer with solution!

Answer 1

Answer:

Step-by-step explanation:

Answer:

Time = 1 hour

Step-by-step explanation:

An elevator descends into mine shaft at the rate of 6 m/min

⇒ In every minute, elevator goes down by 6 m

We have 10 m above the ground and 350 m below the ground level

Note : -350 m, means it is 350 m below the ground level

Total distance to be covered by the elevator = 10 + 350

                                                                          = 360 m

{Time taken = }{Distance to be covered}{Speed} Time={360}{6}Time = 60\f{ minutes or 1 hour}