Question

If a ball falls from a height of 100 m and descends 5 m in 1s, how much descends in 4 seconds?​

Answer 1

Answer:

20 meters

Explanation:

Its just application of brain.

If it descends 5 m in 2 sec. than it will descend 20 m in 4 sec. Like

4*5=20.

Hope this helps