" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
a)
Ep= 50 kg*10m/s2*125
Ep=62500 J
b)
Ek=50*180(do kwadratu)/2
Ek=810000 J
Odp: b
2)
Ek=m*v²/2
mv²=Ek*2 /m
v²=Ek*2/m
v²=0,8 J*2 / 4kg
v²=0,4 m/s
v=√0,4 m/s