A cricket ball is projected straight up with a speed of

PHYSICS · Multi-part · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

20\,\text{m/s}

. Take

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

downward. (i) Find the time taken to reach its highest point. (ii) Calculate the maximum height it attains above the point of projection.