Question

A ball is thrown vertically upward with a speed of 19.6 m/s from top of a tower it reaches the earth in 6 sec then find height of tower

Answer 1

speed = Distance/time
therefore
19.6=diatance/6
hence
distance=19.6*6
=117.6 meters



hope this helped

Answer 2

first -v"=u"+2as ,where v=19m/s and u=0 becouse at top pont speed of ball is zero and find s, then use s=ut+1/2at", t=6,u=0,S=x+s and get x