Find the magnitude of the vector $ \| \vec{v} \| = \left(8,~0,~0\right) $ .
Answer
The magnitude of vector $ \vec{v} $ is $ \| \vec{v} \| = 8 $ .
Explanation
To find magnitude of a vector $ v=(a,b,c) $ we use formula $ ||v|| = \sqrt{a^2+b^2+c^2} $
In this example $ a = 8 $ , $ b = 0 $ and $ c = 0 $ so:
$$ ||v|| = \sqrt{ 8^2 + 0^2 + 0^2} = \sqrt{ 64 + 0 + 0} = \sqrt{ 64 } = 8$$This page was created using
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