A stone is released from rest from the top of a tower

PHYSICS · Multi-part · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A stone is released from rest from the top of a tower. It reaches the ground after

3\,\text{s}

. Take

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

. (i) Calculate the height of the tower. (ii) Determine the speed of the stone just before it strikes the ground.