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What is the value of linear velocity if ...

What is the value of linear velocity if
`oversettow = 3hati-4hatj+hatk` and `oversettor = 5hati-6hatj+6hatk` ?

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Find a vector of magnitude 5 units and parallel to the resultant of veca = 2hati +3hatj -hatk and vecb = hati -2hatj+ hatk .

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Find the angle between the vectors vecp=3hati+hatj+2hatk and vecQ=hati-2hatj+3hatk .

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