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Specialist2023 Exam 2 Section A · Q15CAS active1 mark

Magnitude of the difference of two unit vectors

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If the sum of two unit vectors is a unit vector, then the magnitude of the difference of the two vectors is

1 mark

A

0

B

\frac{1}{\sqrt{2}}

C

\sqrt{2}

D

\sqrt{3}

E

\sqrt{5}

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