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A vector vec(A) when added to the vector...

A vector `vec(A)` when added to the vector `vec(B) = 3hat(i) + 4hat(j)` yields a resultant vector that is an in the positive y-direction and has magnitude equal to that of `vec(B)` find the magnitude of `vec(A)`

A

`sqrt10`

B

10

C

5

D

`sqrt15`

Text Solution

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The correct Answer is:
A
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