Core stretch A ladder rests with its foot $5.4$ m from a vertical wall and reaches $7.2$ m up th

Question

Core stretch

A ladder rests with its foot $5.4$ m from a vertical wall and reaches $7.2$ m up the wall. Its upper end then slides down $2.4$ m while the ladder length stays fixed. Find

the ladder length,[2]
the distance moved by its foot, to 3 significant figures.[2]

Accepted Answer

(a) $9$ m (b) $2.21$ m.

A ladder sliding down a wall

A ladder sliding down a wall

Solution:

Solution locked