Question

A stone dropped from a certain height takes 4 second to reach the ground the height is:​

Answer 1

Answer:

ㅎㅏㅎㅕㅎㅎㅎㅎ야ㅗ티ㅗ탛틓탛턓ㅌㅎㅎㅎㅎㅎㅎㅎㅎㅎㅎㅎㅎ핱하틓틓틓탛텋ㅌㅎㅎㅎㅎㅎㅎ

Explanation:

,ㄹㅡㄹ컬커

Answer 2

Using 2nd equation of motion we get,

s=ut+12at2.

=(0)(4)+(1/2)(9.8)(4)(4)

=78.4 m.

So, the height of the building is 78.4 m.