Question

5. Girija and her family live in a multistorey building that has 23 floors above the ground
level, each of height 5 m. It also has 2 floors in the basement, each of height 5 m. A lift.
in the building moves at a rate of 1 m/s. If a man starts from 50 m above the ground,
how long will it take him to reach the last floor of the basement?​

Answer 1

Answer:

10 sec.

Step-by-step explanation:

It starts from 50m above the ground.

So, 1 floor is 5m long and 2 basements

are 5-5 m long. So, it covers 8 floors and

2 floors in the basement.

So, it will take 10 sec. to cover 10 floors.