Physics

Problem

A coconut falls from rest from the top of a tree

20\,\text{m}

high. Take

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

. The speed with which it strikes the ground is a)

14\,\text{m/s}

10\,\text{m/s}

20\,\text{m/s}

40\,\text{m/s}