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hatjxxhati is...

`hatjxxhati` is

A

(a) `-hati`

B

(b) `-hatj`

C

(c) `-hatk`

D

(d) `vecz`

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The correct Answer is:
A
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The value of hati.(hatjxxhatk)+hatj.(hatkxxhati)+hatk.(hatjxxhati) =………

FULL MARKS-KINEMATICS-ADDITIONAL QUESTIONS SOLVED (I.MULTIPLE CHOICE)
  1. hatixxhati is

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  2. hatixxhatj is

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  3. hatjxxhati is

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  4. If two vectors vecAandvecB form adjacent sides of parallelogram, then ...

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  5. If vecP-vecQ then which of the following is incorrect?

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  6. The momentum of a particle is vecP=costhetahati+sinthetahatj. The angl...

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  7. vceAandvecB are two vectors, if vecAandvecB are perpendicular to each ...

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  8. The angle between two vectors -3hati+6hatkand2hati+3hatj+hatk is

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  9. The radius vector is 2hati+hatj+hatk while linear momentum is 2hati+3h...

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  10. Which of the following cannot be a resultant of two vectors of magnitu...

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  11. Twelve forces each of magnitude 10N acting on a body at an angle of 30...

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  12. Two forces are in the ratio of 3:4. The maximum and minimum of their r...

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  13. If |vecP+vecQ|=|vecP|+|vecQ|. The angle between the vectors vecPandvec...

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  14. If |vecP+vecQ|=|vecP|-|vecQ|, the the angle between the vectors vecPan...

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  15. If |vecPxxvecQ|=|vecP.vecQ| then angle between Pand will be

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  16. If |vecP+vecQ|=|vecP|-|vecQ|, the the angle between the vectors vecPan...

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  17. If vecAandvecB are the sides of triangle, then area of triangle

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  18. A particle moves in a circular path of radius 2 cm. If a particle comp...

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  19. If vecr(1)andvecr(2) are position vectors, then the displacement vecto...

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  20. The ratio of the displacement vector to the corresponding time interva...

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