160. A ball is thrown vertically upward from the ground with initial speed $V_0$ and reaches a height of 80 meters. If we throw the ball with the same initial speed at the appropriate angle for maximum range, what is the maximum range of the ball? ($\text{Air resistance is negligible and } g = 10\ \dfrac{\text{m}}{\text{s}^2}$.) (1) $80$ (2) $80\sqrt{2}$ (3) $160$ (4) $160\sqrt{2}$ \rule{\textwidth}{0.4pt} Workspace %% Page 26 Physics120-CPage 9
\textbf{160.} A ball is thrown vertically upward from the ground with initial speed $V_0$ and reaches a height of 80 meters. If we throw the ball with the same initial speed at the appropriate angle for maximum range, what is the maximum range of the ball?
($\text{Air resistance is negligible and } g = 10\ \dfrac{\text{m}}{\text{s}^2}$.)
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(1) $80$ \hfill (2) $80\sqrt{2}$ \hfill (3) $160$ \hfill (4) $160\sqrt{2}$
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