Respostas

2013-11-28T17:36:27-02:00
D → 150 000 000 km 
V → 300 000 km/s

v= \frac{d}{t} \\ \\t= \frac{d}{t}

t= \frac{15.10^{7}}{3.10^{5}} \\ \\t=5.10^2~s


\boxed{\boxed{t\approx8,3~min}}