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Find the position vector of the centroid...

Find the position vector of the centroid of the `/_\ABC` when the position vectors of its vertices are A(1,3,0),B(2,1,1) and C(0,-1,0).

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MODERN PUBLICATION-VECTORS-Exercise
  1. In the following, find the components of the vector vec(PQ) along x an...

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  2. If the position vectors of the point A and B are : 7hati+3hatj-hatk an...

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  3. Find the position vector of the centroid of the /\ABC when the positio...

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  4. Show that the vectors veca=2hati+3hatj and vecb=4hati+6hatj are parall...

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  5. Write unit vector in the direction of the sum of vectors veca=2hati+...

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  6. IF veca=2hati-hatj+2hatk and vecb=6hati+2hatj+3hatk, find a unit vecto...

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  7. Find unit vector in the direction of veca+vecb, where veca=-hati+hatj+...

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  8. If veca=hati+hatj+hatk,vecb=2hati-hatj+3hatk,vecc=hati-2hatj+hatk, the...

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  9. Find the condition that veca=xhati+yhatj and vecb=yhati+xhatj (because...

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  10. Consider two points P and Q with position vectors vec(OP) = 3veca-2vec...

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  11. Consider two points P and Q with position vectors vec(OP) = 3veca-2vec...

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  12. Find the position vector of a point R which divides the line joining t...

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  13. Show that the following points are collinear : A(-2,1),B(-5,-1),C(1,3)...

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  14. Show that the following points are collinear : A(1,2,7),B(2,6,3),C(3,1...

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  15. If veca=-2hati+3hatj+5hatk,vecb=hati+2hatj+3hatkandvecc=7hati-hatk are...

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  16. Show that the following vectors are coplanar : hati-hatj+hatk,6hati-ha...

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  17. Show that the following vectors are coplanar : 3hati-2hatj+4hatk,6hati...

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  18. Show that the following vectors are coplanar : 2hati-hatj+hatk,hati-3h...

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  19. Show that the points A(3,-2,1),B(1,-3,5),C(2,1,-4) do not form a right...

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  20. If the position vectors of the vertices of a triangle are : vecA=hati+...

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