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# jay butt

India

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Enthalpy of Vaporization The enthalpy of vaporization, (symbol ), also known as the heat of vaporization or heat of evaporation, is the energy required to transform a given quantity of a substance from a liquid into a gas at a given pressure (often atmospheric pressure). It is often measured at the normal boiling point of a substance;... More

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Pub. on Sept. 5th 2012

Pages: 4

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Coulombs Law Coulomb s law or Coulomb s inverse-square law is a law of physics describing the electrostatic interaction between electrically charged particles. It was first published in 1785 by French physicist Charles Augustin de Coulomb and was essential to the development of the theory of electromagnetism. Coulomb s law has been... More

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Pub. on Sept. 5th 2012

Pages: 4

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Electromotive Force Electromotive force, also called EMF, (denoted and measured in volts), refers to voltage generated by a battery or by the magnetic force according to Faraday s Law, which states that a time varying magnetic field will induce an electric current. Electromotive "force" is not considered a force, as force is measured... More

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Pub. on Sept. 5th 2012

Pages: 4

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Example of Independent Variable Generally speaking, in any given model or equation, variables can be divided into two categories: 1. Independent variables are the variables that are changed in a given model or equation. One can also think of them as the ‘input’ which is then modified by the model to change the ‘output’ or... More

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Pub. on August 3rd 2012

Pages: 4

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Linear Equations Examples A linear equation in one variable has a single unknown quantity called a variable represented by a letter. Eg: ‘x’, where ‘x’ is always to the power of 1. This means there is no ‘ x² ’ or ‘ x³ ’ in the equation. The process of finding out the variable value that makes the equation true is... More

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Pub. on August 3rd 2012

Pages: 4

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What are Polynomials A polynomial is a mathematical expression consisting of a sum of terms, each term including a variable or variables raised to a power and multiplied by a coefficient. The simplest polynomials have one variable. A one-variable (univariate) polynomial of degree n has the following form: anxn + an-1xn-1 + . . . +... More

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Pub. on August 3rd 2012

Pages: 4

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The Area of a Triangle The area of a polygon is the number of square units inside that polygon. Area is 2-dimensional like a carpet or an area rug. A triangle is a three-sided polygon. We will look at several types of triangles in this lesson. To find the area of a triangle, multiply the base by the height, and then divide by 2.... More

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Pub. on August 1st 2012

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Area of the Triangle Most common method Usually called "half of base times height", the area of a triangle is given by the formula below. Calculator where b is the length of the base a is the length of the corresponding altitude You can choose any side to be the base. It need not be the one drawn at the bottom of the triangle. The... More

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Pub. on August 1st 2012

Pages: 4

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List of Pythagorean Triples After a break, it s back. The last page of this section of my journal was a list of the primitive triples of each of the three basic types, but I think I ve had enough of that. So here s a handy reference list for use in math class when creating problems for tests or classwork. It lists all the primitive... More

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Pub. on August 1st 2012

Pages: 4

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Finding the Area of a Triangle In geometry, we include the triangle as a most basic shape or figure of the mathematics. Triangle can be consider as a most common and easy figure to understand for the students. In the third and fourth grade’s books the topic of triangle are mostly commonly exists to study. In the proper definition... More

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