Question

A ball is dropped from rest out of a high window in a tall building for 5 seconds. Assuming the we ignore air resistance and assume upwards to be positive. A) What will be the final velocity of the ball B) What is the height of the building if it hits the ground after those 5 seconds. *​

Answer 1

I am not sure if this is the answer

(B) what is the height of the building if it hits the ground after those 5 seconds.