A BALL IS DROPPED (V=0) FROM A TOWER 7 M HIGH. HOW FAR WILL THE BALL HAVE FALLEN AFTER AA TIME T1=1 S, T2=2S AND T3 = 3S.
Use 1D kinematics
yf=yi+vit+1/2at^2
where
yi = 7
vi=0
a=-9.8m/s^2
t= 1-2-3 s
yf=yi+vit+1/2at^2
where
yi = 7
vi=0
a=-9.8m/s^2
t= 1-2-3 s