Kepler's Third Law
Kepler's First Law
Kepler's Second Law
Statement of Kepler's Third Law
From observations collected over many centuries, and especially data compiled by the Danish astronomer Tycho Brahe, Kepler deduced a relationship …Read More
Timeline of APJ Abdul Kalam
Timeline1931: Born in Rameswaram, Tamil Nadu, India.1954: Graduated from the Saint Joseph's College, Tiruchirappalli.1960: Joined the Aeronautical Development Establishment of the Defence Research and Development Organ…Read More
Kepler's First Law
Ellipses and foci
To understand Kepler's First Law completely it is necessary to introduce some of the mathematics of ellipses. In standard form the equation for an ellipse is: \begin{equation} \frac{x^2}{a^2} + \frac{y^2}…Read More
Kepler's Second Law
Kepler Second Law
see Kepler's First Law
Figure %: A planet sweeps out equal areas in equal times.
If we draw a line from the sun to the planet in question (a radius), then as the planet moves around in i…Read More
Vector Properties of the Magnetic Field
Vector Properties of the Magnetic Field
Using vector calculus, we can generate some properties of any magnetic field, independent of the particular source of the field.
Line Integrals of Magnetic Fields
Recall that while…Read More
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