%!TEX root=Grafiken.tex

\usetikzlibrary{arrows}
\usetikzlibrary{snakes}

\begin{tikzpicture}[scale=1.5]

    \draw[help lines] (-5,-5) grid (5,5);

	
    \draw [thick,-latex] (0,0) -- (3,0);
	 \draw [thick,-latex] (0,0) -- (1,2);
	 \draw [thick,-latex, dashed] (0,0) -- (1.2,0.5);
	 \draw [thick, dashed] (1.2,0.5) -- (4.2,0.5);

 %       \draw [thick,dashed] (1,1.5) -- (4,1.5);
 %       \draw [thick, -latex] (0,0) -- (1,1.5);
%	    \draw [thick,dashed] (3,0) -- (4,1.5);
\end{tikzpicture}
