Glossary

acceleration

The rate of change of velocity; it measures how quickly an object speeds up or slows down.

affine

As in “affine transformation,” indicates that the essential shape of the object being moved is preserved.

amplitude

Measures the range of output values for the sine or cosine function.

angle of incidence

The incoming angle of a moving object when it collides with a fixed object.

angle of reflection

The outgoing angle of a moving object when it collides with a fixed object.

angular displacement (θ)

A vector quantity that measures rotation. It is equal to the arc length divided by the radius of a rotating object.

Angular Momentum

(L = Iω) where I=inertia (mr2) and ω=angular velocity.

arc length (s)

A certain distance along a circular ...

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