Question:

A 13-ft ladder is leaning against a house when its base

Last updated: 7/12/2022

A 13-ft ladder is leaning against a house when its base

A 13-ft ladder is leaning against a house when its base starts to slide away. By the time the base is 12ft from the house, the base is moving at the rate of 5ft/sec. How fast is the top of the ladder sliding down the wall then?