A ball is projected with speed making an angle with the horizontal

PHYSICS · Single correct · CBSE · Physics · Motion in a Plane · Motion in a Plane

Problem

A ball is projected with speed

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

making an angle

30^{\circ}

with the horizontal. Take

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

. Find the total time of flight. (a)

1\,\text{s}

(b)

4\,\text{s}

(c)

2\,\text{s}

(d)

3.5\,\text{s}