A ball is projected from ground level with a speed of at an angle of to the horizontal

PHYSICS · Subjective · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A ball is projected from ground level with a speed of

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

at an angle of

30^\circ

to the horizontal. Take

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

. Calculate the time required for the ball to reach its maximum height.