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
Difference Between Scalar and Vector Quantity
Difference Between Scalar and Vector Quantity
BASIS FOR COMPARISONSCALAR QUANTITYVECTOR QUANTITY
MeaningAny physical quantity that does not include direction is known as scalar quantity.Vector quantity is one, that ha…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
Metric Conversions
Metric Conversions
Below are the rules for converting metric and english systems of measurement.
Multiply By To Find
Centimeters .0328 feet
Centimeters .3937 inches
Feet 30.4801 centimeters
Feet/minutes .507 cent./secon…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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