Consider the motion of the football in the vertical and horizontal directions:
u = 50 cos(40) m/s
a = 0 m/s^2
x = 30 m
t = ?
Calculate t using an appropriate formula.
u = 50 sin(40) m/s
a = -9.8 m/s^2
t = get from above calculation.
y = ?
Calculate y using an appropriate formula.
If y > 2 (yes y > 2, NOT 7. Why ....?) or y < -5 (yes, y < -5 because then the football falls short. Why ....?) the football cannot be caught.