A spring gun placed on a table fires a steal ball at a $45^{\large\circ}$ angle above the horizontal.The ball leaves the muzzle of the gun 1.1m above the floor and travels 4.6m horizontally.Determine the total time that the ball is in the air.

Question

$\begin{array}{1 1}1.08s\\0.54s\\2.16s\\0.90s\end{array} $