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Mathematics
Problem
State the formula for the magnitude of a vector
v
=
v
x
i
^
+
v
y
j
^
+
v
z
k
^
\mathbf{v}=v_x\hat i+v_y\hat j+v_z\hat k
v
=
v
x
i
^
+
v
y
j
^
+
v
z
k
^
in terms of its components.
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