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Classical Mechanics

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Finding Magnitude of a Vector

CLMECH-S8TK7D

The magnitude of the vector $\vec{a} = 4.5\hat{i} + 6.5\hat{j}$ is

A

$\vec{a} = 2.0$

B

$|\vec{a}| = 2.0$

C

$\vec{a} = 7.9$

D

$|\vec{a}| = 7.9$

E

$\vec{a} = 11$

F

$|\vec{a}| = 11$