Physics

Problem

A ball is projected vertically upward from the ground with an initial speed of

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

. Take

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

downward. a. (i) Calculate the time taken to reach the highest point. b. (ii) Determine the maximum height reached above the point of projection.