let-e-2i-3j-and-f-2i-2j-find-the-magnitude-of-a-e-and-f

Question

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.

Accepted Answer

i) 5, ii) $$(13) ^{1/2}$$

Answer

i) 15, ii) $$(34) ^{1/2}$$

Answer

i) 18, ii) $$(22) ^{1/2}$$

Answer

i) 27, ii) $$(19) ^{1/2}$$