An object is projected horizontally from the top of a high cliff and lands away from…

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

Problem

An object is projected horizontally from the top of a

45\,\text{m}

high cliff and lands

30\,\text{m}

away from the base of the cliff. Neglect air resistance and take

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

. Determine the initial horizontal speed of the object. Give your answer in

\text{m/s}