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Unit Vectors

3. Vectors / Unit Vectors / Problem 2

Two-unit vectors A = 3î - 4ĵ and B = 2î + 3ĵ are given in terms of their components. Determine the magnitude of (i) A and (ii) B.

A

i) 15, ii) (34) ^1/2

B

i) 18, ii) (22) ^1/2

C

i) 5, ii) (13) ^1/2

D

i) 27, ii) (19) ^1/2

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