Question

A ball is dropped from the top of a building it aquires a velocity of 30m/s. Find the height of the building ( g=10m/s^2)​

Answer 1

u = 0 m/

v = 30 m/s

g = 10 m/s^2

s = v^2 - u^2 /2g

s = 30^2 - 0^2 / 2 ×10

s= 900/20 = 45 m

height of building = 45 m