A stone of mass is dropped from rest from the top of a cliff high

PHYSICS · Subjective · CBSE · Physics · Gravitation · Gravitation

Problem

A stone of mass

0.50\,\text{kg}

is dropped from rest from the top of a cliff

20\,\text{m}

high. Neglecting air resistance, calculate the speed with which it strikes the ground. (Take

g = 9.8\,\text{m}\,\text{s}^{-2}