Physics

Problem

A stone is dropped from the edge of a cliff. It covers

25\,\text{m}

in the last

1\,\text{s}

of its fall before hitting the ground. Neglect air resistance and take

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

. What is the height (in metres) of the cliff? a)

25

60

45

31.25