[tex]Dane:\\ r_{planety}=19,19AU\\ r_{ziemi}=1AU\\ T_{ziemi}=1rok\\ Szukane:\\ T_{planety}=?\\ Rozwiazanie:\\ T_{planety}=T_{ziemi}\sqrt{\frac{r^3_{planety}}{r^3_{ziemi}}}\\ \\ T_{planety}=1\cdot \sqrt{\frac{19,19^3}{1^3}}=\sqrt{7066,834559}\approx 84,06lat[/tex]
