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

What is the value of linear velocity, if `vec(omega)=3hat(i)-4hat(j)+hat(k)` and `vec(R)=5hat(i)-6hat(j)+6hat(k)`.

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`vec(v)=vec(w)xxvec(y)+|{:(hat(i),hat(j),hat(k)),(3,-4,1),(5,-6,6):}|=-18hat(i)-13hat(j)+2hat(k)`
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