4. A banner in the shape of an isosceles triangle is hung over the side of a building. The banner has a base of 30 ft (at the roof), a height of 20 ft, and weighs 50 lb. Write down an integral for the work required to lift the banner entirely onto the roof of the building.
4. A banner in the shape of an isosceles triangle is hung over the side of a building. The banner has a base of 30 ft (at the roof), a height of 20 ft, and weighs 50 lb. Write down an integral for the work required to lift the banner entirely onto the roof of the building.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:4. A banner in the shape of an isosceles triangle is hung over the side of a building. The banner has a
base of 30 ft (at the roof), a height of 20 ft, and weighs 50 lb. Write down an integral for the work
required to lift the banner entirely onto the roof of the building.
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