A ball is fired horizontally from the top of a 12 m-high tower with a speed of 15 m/s

PHYSICS · Subjective · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A ball is fired horizontally from the top of a 12 m-high tower with a speed of 15 m/s. Ignore air resistance and take

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

. Calculate the magnitude of the ball’s velocity immediately before it strikes the level ground at the base of the tower.