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What is the value of linear velocity, if...

What is the value of linear velocity, if `vecomega =hati-hatj+hatk` and `vecr=hati+2hatj+3hatk`

A

`-5vecj-2vecj+3veck`

B

`2veci-5vecj+3veck`

C

`6veci-2vecj+3veck`

D

`3veci-2vecj+5veck`

Text Solution

Verified by Experts

The correct Answer is:
A

`vecv=vecomegaxxvecr=|[hati,hatj,hatk],[1,-1,1],[1,2,3]|`
`=-5hati-2hatj+3hatk`
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