Ask a New Question

Question

a 15 ft ladder is palced against a wall such that its base is 9 ft away from the wall. if the base of the ladder is moved to 6 ft away from the wall, by about how much will the top of the ladder move up the wall?
13 years ago

Answers

Steve
at 9 ft, you have a 9-12-15 triangle.

at 6 ft, the ladder reaches to height h, where

6^2 + h^2 = 15^2
h = 13.75 ft

so, the ladder has moved up 1.75 ft
13 years ago

Related Questions

1) A man places a ladder against a wall. He then climbs up the ladder. Briefly describe the forces a... : A 20m ladder is placed against a wall. The bottom of the ladder is slipping at the rate of 2m/sec.... A 9ft. Ladder is leaning against a wall and make a 50 degree angle with the ground. How far is the l... A 15 ft ladder is placed against a vertical wall. the bottom of the ladder is sliding away from the... a 9 ft ladder is leaning against a wall so that Adam can hang a picture 7.5 ft above the floor. how... a 13 ft ladder is placed against a vertical wall of a building, with the bottom of the ladder stand... A 15-ft ladder rests against a vertical wall. If the top of the ladder slides down the wall at a... If a 14-ft ladder leans against a building, with an angle of elevation of 70°, how far up the build... Consider a ladder placed against a frictionless wall. What happens to the friction force between the... a 16 ft ladder is leaned against a wall. if the ladder makes an angle of 70 degrees with the ground,...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use