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If two vectors 2hati+3hatj-hatk and -4ha...

If two vectors `2hati+3hatj-hatk` and `-4hati-6hatj-lamdahatk` are parallel to each other then value of `lamda` be

A

0

B

2

C

3

D

4

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The correct Answer is:
B
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ERRORLESS -VECTORS-Exercise
  1. Two vectors vecA and vecB are such that vecA+vecB=vecA-vecB. Then

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  2. If a vector 2hati+3hatj+8hatjk is perpendicular to the vector 4hatj-4h...

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  3. If two vectors 2hati+3hatj-hatk and -4hati-6hatj-lamdahatk are paralle...

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  4. A body, acted upon by a force off 50N is displaced through a distance ...

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  5. A particle moves from position 3hati+2hatj-6hatk to 14hati+13hatj+9hat...

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  6. If for two vector vecA and vecB, sum (vecA+vecB) is perpendicular to t...

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  7. The angle between the vector vecA and vecB is theta. The value of the ...

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  8. If AxxB=BxxA then the angle between A and B is

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  9. If vecA=3hati+hatj+2hatk and vecB=2hati-2hatj+4hatk then value of |vec...

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  10. The torque of the force vecF=(2hati-3hatj+4hatk)N acting at the point ...

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  11. If vecAxxvecB=vecC, then which of the followig statements is wrong

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  12. If a particle of mass m is moving with constant velocity v parallel to...

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  13. Consider two vectors vecF(1)=2hati+5hatk and vecF(2)=3hatj+4hatk. The ...

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  14. Consider a vector vecF=4hati-3hatj. Another vector that is perpendicul...

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  15. Two vector vecA and vecB are at right angles to each other, when

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  16. If |vecV(1)+vecV(2)|=|vecV(1)-vecV(2)| and V(2) is finite, then

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  17. A force vecF=(5hati+3hatj) Newton is applied over a particle which dis...

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  18. The angle between two vectors -2hati+3hatj+k and hati+2hatj-4hatk is

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  19. The angle between the vectors (hati+hatj) and (hatj+hatk) is

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  20. A particle moves with a velocity 6hati-4hatj+3hatk m//s under the infl...

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