Question

The movement of a projectile, thrown upwards vertically, is described by the equation y = - 40x=x%5E%7B2%7D" id="TexFormula1" title="x^{2}" alt="x^{2}" align="absmiddle" class="latex-formula"> + 200x . Where y is the height, in meters, reached by the projectile x seconds after launch. Therefore, determine the instant when the projectile hits the ground.

Answer 1

At X = 2.5 the projectile hits the ground