Adisplacement vector with a magnitude of 20. meters could have perpendicular components with magnitudes of

The resultant perpendicular components can be written as .

The resultant of the two perpendicular vectors is given as

where, is the horizontal component and is the vertical component.

According to the question, the resultant magnitude of the vector is . So,

The resultant perpendicular components can be written as

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an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.