A cricket fielder throws a ball with speed so that it lands on level ground away

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A cricket fielder throws a ball with speed

20\,\text{m\,s}^{-1}

so that it lands on level ground

30\,\text{m}

away. Take

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

. The possible projection angle(s) with the horizontal are (a)

41^{\circ}

and

49^{\circ}

(b)

45^{\circ}

only (c)

24^{\circ}

and

66^{\circ}

(d)

23^{\circ}

and

67^{\circ}