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Mathematics
Mathematics
Problem
The vector
u
=
0.6
i
^
+
0.8
j
^
\mathbf{u}=0.6\,\mathbf{\hat i}+0.8\,\mathbf{\hat j}
u
=
0.6
i
^
+
0.8
j
^
is claimed to be a unit vector. Verify this claim by evaluating its magnitude. If it is not a unit vector, write the correct unit vector along the given direction.
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