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Question 1
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A rigid body is rotating at the rate of $3$ radians per second about an axis $AB$, where $A(1,-2,1)$ and $B(3,-4,2)$. The velocity of the point $P(5,-1,-1)$ of the body is
A.
$3\vec i+8\vec j+10\vec k$
B.
$\dfrac{3\vec i+8\vec j+10\vec k}{3}$
C.
$2\vec i-2\vec j+\vec k$
D.
$4\vec i+\vec j-2\vec k$
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