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If A, B, C, D, E are the.vertices of a r...

If A, B, C, D, E are the.vertices of a regular pentagon, find the vector sum` vec(AB)+ vec(BC)+ vec(CD)+vec (DE)+vec(EA)` .

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SHARAM PUBLICATION-VECTORS-EXAMPLE
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  2. Show that the vectors 2hati + 3hatj,5hati -5hatk and 6hatj + 4hatk are...

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  3. If A, B, C, D, E are the.vertices of a regular pentagon, find the vect...

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  4. If vec(a).vec(b) = 0 and vec(a) xx vec(b) = vec(0), then draw the conc...

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  5. Find a vector in the direction of vector 2hati-3hatj+6hatk which has m...

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  6. Find the unit vector in the direction of the sum of the vectors veca=2...

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  7. Write a unitvector in the direction of the sum of vectors veca=2hati-h...

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  8. If veca =xhati+2hatj-zhatk, vecb=3hati-yhatj+2hatk are two equal vecto...

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  9. If hata.hatb=1/2then what is the angle between hata and hatb?

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  10. Write the value of the cosine of the angle which the vector veca =hati...

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  11. Write a vector in the direction of the vector hati-2hatj+3hatk that ha...

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  12. Find the value of ‘a’ such that the vector 6hati+2hatj-3hatk is perpen...

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  13. What is the unit vector perpendicular to the vectors hati- hatj and 2h...

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  14. What is the magnitude of 2veca xx 3veca ?

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  15. If (vec a times vec b)^2 + (vec a cdot vec b)^2=144, write the value o...

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  16. Write a vector normal to hati+hatk and hati+hatj.

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  17. What is the angle between hati+ hatj and hati-hatj ?

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  18. If veca and vecb are unit vectors such that vecaxxvecb is a unit vecto...

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  19. If two vectors oversetrarra and oversetrarrb are such that |oversetrar...

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  20. What is the direction of (hati+hatj+hatk)+(hati+hatk-3hatj)+ (hatk+hat...

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