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Pure water has a surface tension of 0.0728N/m. Soap water has a surface tension of 0.025N/m. A soap boat was made with a mass of 0.5g and a square surface area of 2cm x 2cm. Show that the soap boat can stay afloat on both pure water and soap water solely with the force of surface tension. Calculate the acceleration of the boat on pure water when a drop of soap is added to the rear edge of the boat if the angle from the vertical is 40 degrees.

Pure water has a surface tension of 0.0728N/m. Soap water has a surface tension of 0.025N/m. A soap boat was made with a mass of 0.5g and a square surface area of 2cm x 2cm. Show that the soap boat can stay afloat on both pure water and soap water solely with the force of surface tension. Calculate the acceleration of the boat on pure water when a drop of soap is added to the rear edge of the boat if the angle from the vertical is 40 degrees.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Pure water has a surface tension of 0.0728N/m. Soap water has a surface tension of 0.025N/m. A soap boat was made with a mass of 0.5g and a square surface area of 2cm × 2cm. Show that the soap boat can stay afloat on both pure water and soap water solely with the force of surface tension. Calculate the acceleration of the boat on pure water when a drop of soap is added to the rear edge of the boat if the angle from the vertical is 40 degrees.
Transcribed Image Text:Pure water has a surface tension of 0.0728N/m. Soap water has a surface tension of 0.025N/m. A soap boat was made with a mass of 0.5g and a square surface area of 2cm × 2cm. Show that the soap boat can stay afloat on both pure water and soap water solely with the force of surface tension. Calculate the acceleration of the boat on pure water when a drop of soap is added to the rear edge of the boat if the angle from the vertical is 40 degrees.
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