Question

A ladder 10 ft long rests against a vertical wall. if the bottom of the ladder slides away from the wall at a rate of 1ft/sec how fast is the top of the ladder sliding down the wall when the bottom of the ladder is 8ft from the wall?
The answer should be in ft/sec

Answer 1

Ah, the classic sliding ladder problem . . .

Answer 2

Yep

Answer 3

Did you draw a picture?

Answer 4

Did you see the right triangle and write down the Pythagorean Theorem?