A coconut falls from rest from the top of a tree high

PHYSICS · Single correct · AP · Physics C: Mechanics · Kinematics · Kinematics

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}

(b)

10\,\text{m/s}

(c)

20\,\text{m/s}

(d)

40\,\text{m/s}