Many of the cities in Holland are below sea level, and the sea is held back by a series of levies, called dikes. A story tells of a young Dutch boy named Hans Brinker, who was walking home along the dikes from school one day, and saw a small leak. He realized this was a real problem, so he stuck his thumb in the hole and cried for help.Imagine that the hole is 10.0 feet (3.08 meters) beneath the level of the sea beyond. How much pressure is being exerted at the hole?Hans’ thumb has a surface area of 0.895 square centimeters (Think: How many square centimeters in a square meter?). How much force does he feel on his thumb? Do you think that is a reasonable amount of force for a child to balance?Normally, to find the total pressure exerted, we’d have to add atmospheric pressure to the pressure exerted by the seawater. Why do we not have to worry about that here?*Problems involving the buoyant force are Newton’s Second Law problems, and should be solved with the same process!*

Depth of hole beneath the sea level (h) = 10.0 feet (3.08 meters)Surface area of Hans' thumb (A)=…

Answered: Many of the cities in Holland are below…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Many of the cities in Holland are below sea level, and the sea is held back by a series of levies, called dikes. A story tells of a young Dutch boy named Hans Brinker, who was walking home along the dikes from school one day, and saw a small leak. He realized this was a real problem, so he stuck his thumb in the hole and cried for help.

Imagine that the hole is 10.0 feet (3.08 meters) beneath the level of the sea beyond. How much pressure is being exerted at the hole?
Hans’ thumb has a surface area of 0.895 square centimeters (Think: How many square centimeters in a square meter?). How much force does he feel on his thumb? Do you think that is a reasonable amount of force for a child to balance?
Normally, to find the total pressure exerted, we’d have to add atmospheric pressure to the pressure exerted by the seawater. Why do we not have to worry about that here?

*Problems involving the buoyant force are Newton’s Second Law problems, and should be solved with the same process!*

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