Physics

Problem

A football is kicked so that its maximum height is

10\,\text{m}

and its horizontal range is

40\,\text{m}

. Neglecting air resistance and taking

g=10\,\text{m\,s}^{-2}

, the angle of projection with the horizontal is a)

60^{\circ}

45^{\circ}

27^{\circ}

75^{\circ}