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Find a vector of magnitude 11 in the dir...

Find a vector of magnitude 11 in the direction opposite to that of `vec PQ`, where P and Q are the points (1,3,2) and (1,0,8) respectively.

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RD SHARMA ENGLISH-ALGEBRA OF VECTORS-All Questions
  1. A , B , P, Q and R are five points in a plane. Show that the su...

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  2. Let vec a , vec b , vec c , vec d be the position vectors of the four...

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  3. Find a vector of magnitude 11 in the direction opposite to that of ve...

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  4. Find the unit vector in the direction of 3 hat i-6 hat j+2 hat k .

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  5. If vec a is a position vector whose tip is (1,-3)dot Find the coordin...

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  6. Find the coordinates of the tip of the position vector which is equ...

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  7. Write all the unit vectors in X Y-p l a n edot

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  8. Find a unit vector parallel to the vector 3 hat i+4 hat jdot

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  9. If A ,B ,C have position vectors (2,0,0),(0,1,0),(0,0,2), show that ...

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  10. If the points (-1,1,2),(2,m ,5)a n d(3,11 ,6) are collinear, find the ...

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  11. If vec a=3 hat i-2 hat j+ka n d vec b=2 hat i-4 hat j-3k , find | vec...

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  12. If the position vectors of the points A , B , C ,Da r e2 hat i+4 hat k...

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  13. Represent graphically i. a displacement of 40 km, 30^0 west of south ...

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  14. Classify the following measures as scalars and vectors a.10 kg b.10 m...

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  15. Classify the following measures as scalars and vectors a.30 km / hr b...

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  16. In a fig 23.4 (a square), identify the following vectors: i.Coinitial ...

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  17. In fig 23.3, which of the vectors are: i.Collinear          ii. Equal ...

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  18. Represent the following graphically: i.A displacement of 40 km, 30^0 ...

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  19. Classify the following measures as scalars and vectors: a.15 kg b. 520...

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  20. Classify the following as scalars and vector quantities: a.Time period...

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