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Write unit vector in the direction of th...

Write unit vector in the direction of the sum of vectors
`veca=2hati+2hatj-5hatk and vecb=2hati+hatj-7hatk`

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Find the unit vector in the direction of the sum of the vectors, veca = 2hati+2hatj-5hatk and vecb=2hati+hatj+3hatk .

Find the unit vector in the direction of the vector veca=hati+hatj+hatk

Find unit vector in the direction of veca+vecb, where veca=-hati+hatj+hatk and 'vecb=2hati+hatj-3hatk'

Find a vector of magnitude 5 units and parallel to the resultant of the vectors veca=2hati+3hatj-hatk and vecb=hati-2hatj+hatk .

The projection of the vector veca=2hati+3hatj+2hatk on the vector vecb=hati+2hatj+hatk is :

The scalar product of the vector veca=hati+hatj+hatk with a unit vector along the sum of vectors vecb=2hati+4hatj-5hatk and vecc=lambdahati+2hatj+3hatk is equal to one. Find the value of 'lambda' and hence find the unit vector along vecb+vecc .

MODERN PUBLICATION-VECTORS-Exercise
  1. Write unit vector in the direction of the sum of vectors veca=2hati+...

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  2. Represent graphically a displacement of 40 km, 30^o west of south.

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  3. Represent the following graphically a displacement of : 40 km, 30^@ ea...

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  4. Represent the following graphically a displacement of : 40 km, 30^@ ea...

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

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

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

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  8. Classify the following measure as scalar and vector:40watt

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  9. Classify the following measure as scalar and vector: 10^(-19)coulomb

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

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  11. Classify the following measures as scalars and vectors: 1000 cm^3

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  13. Classify the following measures as scalars and vectors: 30 km/h

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

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

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

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

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

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  19. In the figure identify the following vectors : Co-initial.

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  20. In the figure identify the following vectors : Equal.

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  21. A girl walks 4 km towards west, then she walks 3 km in a direction 30^...

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