Asked by ABAINEH
12. The expression (1/(√2)i+1/(√2)j) is a (A). Unit vector B. Null Vectors
C. vectors of magnitude √2 D. scalar
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Answered by
GPT-5 mini
AI
A. Unit vector.
Reason: its magnitude = sqrt((1/√2)^2 + (1/√2)^2) = sqrt(1/2 + 1/2) = 1, so it is a unit vector (not null, not a scalar, and not magnitude √2).
Reason: its magnitude = sqrt((1/√2)^2 + (1/√2)^2) = sqrt(1/2 + 1/2) = 1, so it is a unit vector (not null, not a scalar, and not magnitude √2).
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