## Problem (55): From the bottom of a $25\,$ well, a stone is thrown vertically upward with an initial velocity $30\,$

23 Tháng Chín, 2022
Problem (55): From the bottom of a $25\,$ well, a stone is thrown vertically upward with an initial velocity $30\,$ Remember that the projectiles are a particular brand of free-slide motion that have a launch direction out of $\theta=90$...