[tex]P= \frac{L}{ \Delta t}= \frac{F\cdot \Delta d}{\Delta t}=F\cdot \frac{\Delta d}{\Delta t}\text{(asta~este~chiar~viteza)}=\\
=3\cdot 10^{4}N\cdot 54 \frac{Km}{h}=3\cdot 10^{4}N\cdot 54 \frac{1000m}{3600s}=\\
=162\cdot 10^{4}N\cdot \frac{10\not0\not0m}{36\not0\not0s}= \frac{4,5\cdot 10^{5}N\cdot m}{s}=\\
= \frac{4,5\cdot 10^{5}J}{s}=450000~W={\boxed{450~MW.}\\
450000~W\approx\underline{603,4~CP.}[/tex]