" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
4=1/2.0,02.v^2
v^2=4.2/0,02=400
v=√400=20 m/s
vt^2=2.g.h
h=vt^2/2.g=20^2/20=20 m
EM1=EM2
Ep1+Ek1=Ep2+Ek2
m.g.h+0=Ep2+4
0,02.10.80=Ep2+4
16=Ep2+4
Ep2=16-4=12 J