Odpowiedź :
E=mv² / 2
(m-masa, v-predkosc)
a) 0 km/h
E=m*0²/2
E=m/2
b) 20 km/h
E=m*20²/2
E=m*400/2
E=200m
c) 40 km/h
E=800m
d) 60 km/h
E=1800m
e) 80 km/h
E=3200m
a) 0 km/h
E=m*0²/2
E=0/2=0
b) 20 km/h
E=m*20²/2
E=m*400/2
E=200m
c) 40 km/h
E=800m
d) 60 km/h
E=1800m
e) 80 km/h
E=3200m
E=m*0²/2
E=0/2=0
b) 20 km/h
E=m*20²/2
E=m*400/2
E=200m
c) 40 km/h
E=800m
d) 60 km/h
E=1800m
e) 80 km/h
E=3200m