What is the velocity of an object dropped from a height of 190 m when it hits the ground?
u=0
v=?
a=9.8m/s^2
t=?
s=190m
v=u+at
s=ut+0.5at^2
v^2=u^2+2as
using the last formua
v^2=0+2*9.8*190
v^2=3724
v=61m/s
