The top of a 40-foot ladder is sliding down a wall at a rate of 11 feet per second. How fast is the base of the ladder sliding away from the wall at the instant when the top of the ladder is 24 feet from the ground?
The top of a 40-foot ladder is sliding
down a wall at a rate of 11 feet per second. How fast is the base of the ladder sliding away from the wall at the instant when the top of the ladder is 24 feet from the ground?