A stone is dropped from rest from the edge of a cliff

PHYSICS · Single correct · CBSE · Physics · Motion · Motion

Problem

A stone is dropped from rest from the edge of a cliff. Its velocity increases uniformly from

0

39.2\,\text{m/s}

4\,\text{s}

. Using the velocity–time information, calculate the displacement of the stone during these

4\,\text{s}

. (a)

156.8\,\text{m}

(b)

39.2\,\text{m}

(c)

78.4\,\text{m}

(d)

80\,\text{m}