Question

A body falls from the top of a building and
reaches the ground 25 s later. How high is the
building 7 (Take 8 = 9-8 ms) ​

Answer 1

Answer:20m

Explanation: by using the formula

V^2 - U^2 = 2as

We get,

( Initial velocity = 0 , final velocity = 0 )

0= 2*(10)(s)

20= s