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Vectors: Magnitude
The magnitude of the vector
(
5
–5
7
)
 is to 3 dps.

tickcross


Worked Solution:

The magnitude (length) of this vector is √( 52 + (–5)2 + 72 ) = √99 = 9.95 to 3 dps.

© MEI Produced by Dr Ron Knott, revised 15 May 2007
tom . button [AT] mei . org . uk 		Test reference: VectorsMag.html?ref=81391,qu=vec