Dane:
m = 1,5t = 1500kg (1t = 1000kg)
v = 72 km/h = 20 m/s (3,6km/h = 1m/s)
Szukane:
Ek = ?
Wzory:
Ek = [tex]\frac{mv^2}{2}[/tex]
Obliczenia:
Ek = [tex]\frac{1500kg*(20m/s)^2}{2}[/tex] = [tex]\frac{1500kg*400m^2/s^2}{2}[/tex] = [tex]\frac{600000J}{2}[/tex] = 300000J
Wynik:
300000J = 0,3MJ
