Question

A boy throws a ball with initial speed 2 root gh at an angle to the horizontal. It strikes a smooth vertical wall and returns to his hand. If the boy is standing at distance a from the wall, and there is some coefficient of restitution present, the value of cannot be less than. [in degrees] rootgh

Answer 1

$\mathfrak{The\:Answer\:is}$

A boy throws a ball with initial speed 2 root gh at an angle to the horizontal. It strikes a smooth vertical wall and returns to his hand. If the boy is standing at distance a from the wall, and there is some coefficient of restitution present, the value of cannot be less than. [in degrees] rootgh


$\boxed{Hope\:This\:Helps}$