CHS Physics Motion in Two and Three Dimensions. Position  The position of an object in two or three dimensions is given by a position vector.  The vector.

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CHS Physics Motion in Two and Three Dimensions

Position  The position of an object in two or three dimensions is given by a position vector.  The vector is anchored at the origin of the coordinate system.

Displacement  This is still the change in position.  Written as a vector equation.

Velocity  The definitions remain the same  They are only written in vector notation.

Instantaneous Velocity  The direction is always tangent to the path.  It can be written in unit vector notation.

Acceleration  Same as before

Instantaneous Acceleration  This can also be written in unit vector notation

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