Question

A ball falls from height h. After 1s, another ball falls freely from a point 25 m below the point from when the first ball falls. Both of them reach the ground at the same time. The value of h is​

Answer 1

Answer: 45m

Explanation:

$h=1/2gt^2\\h-25=1/2g(t-1)^2\\1/2gt^2-1/2g(t-1)^2 = 25\\(2t-1)=5\\t= 3 s\\h= 1/2*10*(3)^2 = 45 m$

Answer 2

Answer:

this is your correct answer