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The velociies of A and B are `vecv_(A)= 2hati + 4hatj and vecv_(B) = 3hati - 7hatj` , velocity of B as observed by A is

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The velociies of A and B are `vecv_(A)= 2hati + 4hatj and vecv_(B) = 3hati - 7hatj` , velocity of B as observed by A is
A. `5hati-3hatj`
B. `hati - 11 hatj`
C. `-hati + 11hatj`
D. `2hati - 3hatj`
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Correct Answer - B
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