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A girl walks 4 km towards west, then sh...

A girl walks 4 km towards west, then she walks 3 km in a direction `30o`east of north and stops. Determine the girls displacement from her initial point of departure.

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RD SHARMA ENGLISH-ALGEBRA OF VECTORS-All Questions
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  2. Write down a unit vector in XY-plane, making an angle of 30° with t...

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  9. A B C D is parallelogram. If the coordinates of A , B , C are (-2,-...

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  10. If the position vectors of the points A(3,4),B(5,-6) and C(4,-1) are ...

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  11. If vec a be the position vector whose tip is (5,-3), find the c...

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  12. Show that the point 2 hat i ,- hat i-4 hat j and - hat i+4 hat j fr...

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  13. Find a unit vector parallel to the vector hat i+sqrt(3) hat j

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  14. Find the components along the coordinate axes of the position vector o...

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  15. Find the components along the coordinate axes of the position vector o...

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  16. Find the components along the coordinate axes of the position vector o...

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  17. Find the components along the coordinate axes of the position vector o...

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  18. Find the value of x ,\ y\ a n d\ z so that the vectors vec a=x ...

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  19. Find the sum of vectors vec a= hat i-2 hat j+ hat k ,\ vec b=-2 hat ...

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  20. Find the distance between the points A(2,3,1)a n d\ B(-1,\ 2,\ -3) , u...

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