Category: Science People
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Charging bodies in electrostatics 1
In electrostatics, charging bodies means adding or removing electrons from atoms of objects. This results in an imbalance of electric charge. If electrons are added, the object becomes negatively charged; if electrons are removed, it becomes positively charged. This creates an electric field around the charged object, which can exert forces on other charged bodies.…
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Consider a circle of radius r on a Cartesian plane centered at point o(a,b) as shown in figure below. A point p on the circumference of the circle has an arbitrary point (x, y). line OQ an QP makes a right angle triangle with the radius r of the circle such OP=r, OQ = x-a…
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Alter lives
What is the greatest gift someone could give you? The gift of life one can give is something that can help one achieve their dreams. Because it is in the dreams we have everything else we need in life. Peace of mind, joy of the spirit and fulfilment. Remember that whatever one can get in…
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Integrating products of trigonometric functions 1
Products of trigonometric functions usually refers to the integral of a product of trigonometric functions over a specified range. It can be interpreted as finding area under the curve made by a trigonometric function. For example the function: represents area under the curve formed by the product of sine and cosine functions. The integral results…
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Center of Gravity:1 Definition and Applications
The center of gravity (CG) of an object is the point where its entire weight can be considered to act. It is the average location of the weight distribution of an object. In simple terms, it’s the balance point of the object. Explaining Center of gravity An object is considered to be made up very…
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What Variance? 1 easy Simple Guide
Variance is a measure of the spread or dispersion of a set of data points in a dataset. It quantifies how much individual values differ from the mean (average) of the data.
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8 useful Statistical graphs
Statistical graphs are visual representations of data that help to understand and interpret trends, patterns, and relationships. Here are some common types of statistical graphs: 1. Bar Graph (or Bar Chart) Description: A bar graph uses rectangular bars to represent the frequency or value of categories of data.Use: It is used to compare different categories…
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Longitudes and latitudes : A concise Introduction
Longitudes and latitudes are imaginary lines used to locate positions on the Earth’s surface. Latitude and longitude are lines used to locate locations on planet earth. Longitudes as from the Greenwich Meridian It is a historic prime meridian or the Greenwich meridian used as a geographical reference line that passes through the Royal Observatory, Greenwich,…
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Integrating quadratic polynomials
Integrating quadratic polynomials involves transformation the quadratic polynomial into a trigonometric expression which we can easily integrate. A quadratic polynomial is an algebraic expression of the form ax2+bx+c
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Data capacity: A Free Concise guide1
Data Capacity of CDs Data capacity for a given storage device is the size of data such a device can be able to hold. You can fit on a S/VCD without over burning: You can fit on a CD-ROM without overburning: Introduction Let us ignore for now the terms of megabyte for CD capacity and…
