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If hati+hatj+hatk, 2hati+5hatj, 3hati+2h...

If `hati+hatj+hatk, 2hati+5hatj, 3hati+2hatj-3hatk` and `hati-6hatj-hatk` are the position vectors of points A, B, C and D respectively, then find the angle between AB and CD. Deduce that AB and CD are collinear.

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PSEB-VECTOR ALGEBRA-Exercise
  1. If hati+hatj+hatk, 2hati+5hatj, 3hati+2hatj-3hatk and hati-6hatj-hatk ...

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  2. Represent graphically a displacement of 40 km, 30^o east of north.

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  3. Classify the following measure as scalar and vector: 10 Kg

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  4. Classify the following measure as scalar and vector: 2 meters north-w...

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  5. Classify the following measure as scalar and vector: 40^o

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  6. Classify the following measure as scalar and vector: 20 m/s^2

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  7. Classify the following as scalar and vector quantities: time period

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  8. Classify the following as scalar and vector quantities: distance

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  9. Classify the following as scalar and vector quantities: force

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  10. Classify the following as scalar and vector quantities: velocity

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  11. Classify the following as scalar and vector quantities:work done

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  12. Compute the magnitude of the following vectors: veca=hati+hatj+hatk

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  13. Compute the magnitude of the following vectors: vecb=2veci-7vecj-3veck...

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  14. Compute the magnitude of the following vectors: vecc=(1/sqrt3)veci+(1/...

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  15. Write two different vectors having same magnitude.

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  16. Write two different vectors having same direction.

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  17. Find the values of x and y so that the vectors 2veci+3vecj and xveci+y...

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  18. Find the scalar and vector components of the vector with initial point...

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  19. Find the sum of the vectors veca = veci-2vecj+veck, vecb = -2veci+4vec...

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  20. Find the unit vector in the direction of the vector veca = veci+vecj+2...

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  21. Find the unit vector in the direction of vector vec(PQ), where P and Q...

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