Physics

Problem

A tennis ball is launched vertically upward with an initial speed of

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

. Ignore air resistance. What is the maximum height reached by the ball above the launch point? a)

40\,\text{m}

10\,\text{m}

20\,\text{m}

2\,\text{m}