Posted by **Trevor** on Thursday, February 28, 2013 at 11:59am.

1a. 15 ft ladder is placed against a vertical wall. the bottom of the ladder is sliding away from the wall at a rate of 2 ft/sec. How fast is the top of the ladder sliding down the wall when the bottom of the ladder is 9 ft from the wall?

1b. Using the data in the first part, Find the rate of change of the area of the triangle formed by the ladder, the ground, and the wall when the bottom of the ladder is 9ft from the wall.

- Calculus -
**qiegbk**, Friday, February 13, 2015 at 3:03am
-1.5ft/sec

## Answer this Question

## Related Questions

- Calculus - A 15 ft ladder is placed against a vertical wall. the bottom of the ...
- calculus - A 15-ft ladder rests against a vertical wall. If the top of the ...
- calculus 1 - a ladder 20 ft. long rests against a vertical wall.If the bottom of...
- calculus - A 25-ft ladder rests against a vertical wall. If the bottom of the ...
- AP calc bc - A 25-ft ladder rests against a vertical wall. If the bottom of the ...
- Calculas - A 13ft ladder is placed against a verticle wall. Suppose the bottom ...
- calculus - : A 20m ladder is placed against a wall. The bottom of the ladder is ...
- caculus - A 10-ft ladder rests against a vertical wall. If the bottom of the ...
- calculus - A 15-ft ladder rests against a vertical wall. If the top of the ...
- calculus - a ladder 6 feet long leans against a vertical building. the bottom of...