1. A Little About Buoyancy o In order to understand how a boat can float in water we must first go over one of the principles behind such a feat: buoyancy. This principle in physics was discovered by the mathematician Archimedes about 2‚000 years ago‚ so it has been taught and understood for some time now. The basics of buoyancy involve the relationship between the weight of the object in question‚ in this case a boat‚ and the weight of the water it displaces. If the object weighs more than the
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The Romans developed extensive structures in their empire‚ including aqueducts‚ bridges‚ and dams. A scientific approach to the physical sciences concerning civil engineering was implemented by Archimedes in the third century BC‚ by utilizing the Archimedes Principle concerning buoyancy and the Archimedes screw
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figures with curves and many other things. 6. 382-283 BC- Euclid of Alexandra who is also known as “The father of Geometry” created a book called “The elements”. This book was the main textbook to teach math (mainly geometry). 7. 287-212 BC- Archimedes of Syracuse was the inventor of many mechanical devices such as the screw‚ the pulley and the lever. He discovered the measurement of a circle and his wrote a book “On the Sphere and the Cylinder” in which he showed the volumes and surface areas
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relative density greater than 1 will sink. Relative density (RD) or specific gravity (SG) is a dimensionless quantity‚ as it is the ratio of either densities or weights. The principle used in this experiment was the Archimedes ’ Principle. Archimedes ’ principle is named after Archimedes of Syracuse‚ who first discovered this law in 212 B.C‚ he stated that: “Any object‚ wholly or partially immersed in a fluid‚ is buoyed up by a force equal to the weight of the fluid displaced by the object.” It is
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Greek letter π‚ often spelled out pi in text‚ was first adopted for the number as an abbreviation of the Greek word for perimeter (or as an abbreviation for "perimeter/diameter") by William Jones in 1706. The constant is also known as Archimedes’ Constant‚ after Archimedes of Syracuse who provided an approximation of the number‚ although this name for the constant is uncommon in modern
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According to Republic Act 5173‚ to ensure all safe passage of all vessels and watercrafts thru all navigable waters subject to the jurisdiction of the Philippines‚ the construction of all bridges over navigable waters has to be referred to the PCG for issuance of appropriate clearance‚ particularly confirming that the structure would not be hazardous to navigation. In addition to Republic Act 5173‚ the navigational span of the bridge should be provided in a way that it does not
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Laboratory Techniques & Measurements Lab #1 January 31 2014 PH 148 Chemistry I Objectives • Become familiar with several important laboratory techniques. • Gain proficiency with some of the common measuring devices used in a chemistry laboratory. • Determine the volume‚ mass‚ length‚ temperature‚ and density of objects and liquids. Materials Materials Label or Box/Bag Qty Item Description Student provides 1 1 1 1 1 1 1 1 1 Metric ruler‚ cm (centimeter)
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seizure). This gruesome bioterrorist goes by the name of Archimedes; later to be found out as Tom Cope. A former worker of His intention was to decrease the world’s population‚ wipe out a majority of the human population. His arch nemeses: the FBI that are hot on his tail and doctors providing vaccines. As the top FBI agents‚ expert scientists‚ and just about everyone in between were put on this case. The team put together was called Reachdeep. Archimedes also had a “test run” in Washington D.C.. In this
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There are many Greek influences that still affect us today such as Democracy. The Greeks created the world’s first democracy. Athens started out as a monarchy and then advanced to and oligarchy until it finally reached a democracy. The government consisted of over 6‚000 assembly members all of whom were adult male citizens. The assembly voted on issues throughout Athens‚ and passed laws. The required number of votes to pass a law was simply the majority but in order to banish or exile someone 6‚000
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force and FB exerted at B is the output‚ the ratio of the velocities of points A and B is given by a/b‚ so the ratio of the output force to the input force‚ or mechanical advantage‚ is given by This is the law of the lever‚ which was proven by Archimedes using geometric reasoning.[2] It shows that if the distance a from the fulcrum to where the input force is applied (point A) is greater than the distance b from fulcrum to where the output force is applied (point B)‚ then the lever amplifies the
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