Chapter 2, Problem 2/084
Incorrect
A projectile is launched with a speed $v_0 = 20.2 \text{ m/s}$ from the floor of a 3.9-m-high tunnel as shown. Determine the maximum horizontal range R of the projectile and the corresponding launch angle $ heta_0$.
\begin{figure}[h]
\centering
\begin{tikzpicture}
\draw (0,0) -- (5,0);
\draw (0,0) -- (0,3.9);
\draw (0,3.9) -- (5,3.9);
\draw (0,3.9) -- (2,0);
\draw[->] (0,3.9) -- (1,3.5) node[midway,above]{$v_0 = 20.2 \text{ m/s}$};
\draw (0,3.9) node[left]{A};
\draw (0,0) node[left]{0};
\draw (0,3.9) node[above]{3.9 m};
\end{tikzpicture}
\end{figure}
Answers:
R = 26.88
$\theta_0 = 20.14$
