Question

A ball thrown vertically upwards with a speed of 19.6 m/s from the top of a tower returns to the earth in 6 seconds. Find the height of the tower. (g = 9.8 m/s 2 )

Answer 1

consider 19.6 instead of 14.6.......
rest is same,hope it proves to be useful.....
if any query plz let me know.....