Translations:Point of maximum depth/3/en

${\begin{aligned}y_{D}&{\rm {=}}{\frac {v_{0}}{a{\rm {\ sin\ }}{\theta }_{0}}}-{\frac {v_{0}}{a}}{\rm {=}}{\frac {v_{0}}{a}}\left({\frac {\rm {l}}{{\rm {\ sin\ }}{\theta }_{0}}}-{\rm {1}}\right).\end{aligned}}$

(56)