Question

a stone is dropped from the 25th storey of a multistorey building and it's reaches ground in 5 sec in the first sec, it passes through how many storeys of building?

Answer 1

25 storeys of building in 5 seconds...
5 stories in the first second.....
hope it helps...
pls mark as the brainliest

Answer 2

Answer:

1 storey

Explanation:

Assuming the building is on a planet, the object will undergo an acceleration.

Now, let the distance travelled by the object before hitting the ground be measured in a unit called storeys.

From s = ut + 0.5at²,

         s ∝ t²

         s = kt², where k is the constant of proportionality

After t = 5 s,  25 = 5² × k

                        k = 1

After t = 1 s, s = k = 1 storey