SOLVED: A 3-meter ladder stands against high wall (See the figure below) The foot of the ladder moves outward at a constant speed of 0. meterlsec . When the foot is meter
Daladder 2 meter aluminium - LadderHulp.nl
Aluminium Herringbone Ladder A-Frame Ladders, Collapsible Extension Ladder, Multi-Purpose Telescopic Ladder with Slip-Proof Feetfor, 330lbs Max Capacity (2+2.3 M / 6.6FT+7.5FT), EN131 Standard - - Amazon.com