" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Ek=m×V²/2
2 Ek=m×V²
v²=2Ek/m
1600/4=V²
V²=400
V=√400
V=20m/s
2Ek = mV^
V^ = 2Ek:m
V = √(2Ek:m)
V = √(2*0,8kJ:4kg)
V = √(2*800J:4kg)
V = √(1600:4) m/s
V = √400 m/s
V = 20m/s