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If veca=hati+4hatj+2hatk , vecb=3hati-2h...

If `veca=hati+4hatj+2hatk` , `vecb=3hati-2hatj+7hatk` and `vecc=2hati-hatj+4hatk` then find a vector `vecd` (which is `_|_` ar to both `veca` and `vecb`) and `vecc.vecd`=15.

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If veca=4hati+5hatj-hatk , vecb=hati-4hatj+5hatk and vecc=3hati+3hatj-hatk then find a vector vecd (which is _|_ ar to both veca and vecb ) and vecc.vecd =21.

Let veca=hati+4hatj+2hatk,vecb=3hati-2hatj+7hatk and vecc=2hati-hatj+4hatk . Find a vector vecd , which is perpendicular to both veca and vecb and vecc*vecd=18 .

Let veca=hati+4hatj+2hatk,vecb=3hati-2hatj+7hatk and vecc=2hati-hatj+4hatk . Find a vector vecd , which is perpendicular to both veca and vecb and vecd*vecc=18 .

If veca=2hati+hatj+4hatk and vecb=3hati-2hatj+hatk then veca.vecb=

MODERN PUBLICATION-VECTORS-Exercise
  1. If veca,vecb,vecc are three vectors such that vecaxxvecb=vecc,vecbxxve...

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  2. If veca,vecb,vecc are mutually perpendicular unit vectors and vecaxxve...

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  3. If veca=hati+4hatj+2hatk , vecb=3hati-2hatj+7hatk and vecc=2hati-hatj+...

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  4. If vecaxxvecb=vecbxxvecc ne vec0, show that veca+vecc=vec(mb) m being ...

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  5. Prove that |vecaxxvecb|^2=|veca|^2|vecb|^2-(veca*vecb)^2=|:[veca*veca ...

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  6. If veca,vecb,vecc are position vectors of non-collinear points A,B and...

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  7. Prove that the normal to the plane containing three point whose positi...

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  8. Find the unit vectors perpendicular to the plane ABC, where the positi...

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  9. Prove that : sin(A- B) = sin A cos B -cos A sin B.

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  10. Find the moment about (1,-1,-1) of the force 3hati+4hatj-5hatk acting ...

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  11. The force represented by 3hati+2hatk is acting through the point 5hati...

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  12. Find the moment about the point hati+2hatj-hatk of a force represented...

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  13. The force represented by 5hati+hatk is acting through the point 9hati-...

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  14. A force vecF=4hati+hatk acts through point A(0,2,0). Find the moment v...

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  15. Let vecF=2hati+4hatj+3hatk at the point P with position vector hati-ha...

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  16. A force vecF=3hati+2hatj-4hatk is applied at the point (1,-1,2).Find t...

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  17. Two unlike forces of equal magnitudes hatj+2hatk and -hatj-2hatk are a...

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  18. A force of 3 units acts through the point (4,-1,7) in the direction of...

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  19. Find the moment about the point (3,4,5) of the force through the point...

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  20. The moment of the couple formed by forces 5hati+hatk and -5hati-hatk a...

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