A ball is projected at an angle of above the horizontal and reaches a maximum height of

PHYSICS · Subjective · CBSE · Physics · Motion in a Plane · Motion in a Plane

Problem

A ball is projected at an angle of

30^{\circ}

above the horizontal and reaches a maximum height of

20\,\text{m}

. Calculate the initial speed of the ball. Take

g = 9.8\,\text{m\,s}^{-2}