plz ans this asap class 11 physics
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if right then may help u mate....
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Given:
To Find:
A unit vector parallel to
Solution:
We know that,
- A unit vector parallel to given vector is given by
where
is the magnitude of vector
- Magnitude of given vector is given by
Let
So,
Now, we have to find unit vector parallel to
Let the unit vector in the direction of be
So,
Hence, is the required unit vector parallel to .
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