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Compute the magnitude of the following v...

Compute the magnitude of the following vectors :
`veca=hati+hatj+k,vecb=2hati-7hatj-3hatk,vecc=(1)/(sqrt(3))hati+(1)/(sqrt(3))hatj-(1)/(sqrt(3))hatk`

Text Solution

Verified by Experts

The correct Answer is:
`|veca|=sqrt(3),|vecb|=sqrt(62),|vecc|=1`
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Find the angle between the vectors veca=hati-hatj+hatk and vecb=hati+hatj-hatk .

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Knowledge Check

  • If vecA= 5hati+6hatj+3hatk and vecB=6hati-2hatj-6hatk , then

    A
    `vecA and vecB` are perpendicular
    B
    `vecA xxvecB=vecBxxvecA`
    C
    `vecA and vecB` have the same magnitude
    D
    `vecA*vecB=0`

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