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Question
The magnitude of the vector `6hati - 2hatj + 3hatk` is ______.
Options
1
5
7
12
MCQ
Fill in the Blanks
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Solution
The magnitude of the vector `6hati - 2hatj + 3hatk` is 7.
Explanation:
`sqrt(6^2 + (-2)^2 + 3^2)`
= `sqrt(36 + 4 + 9)`
= `sqrt(49)`
= 7.
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Magnitude and Direction of a Vector
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