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The vactor projection of a vector 3hati+...

The vactor projection of a vector `3hati+4hatk`on y-axis is

A

5

B

4

C

3

D

Zero

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The correct Answer is:
D
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ALLEN-RACE-Basic Maths (VECTORS)
  1. If |hatAxxhatB|=-sqrt(3)hatA.hatB, then |hatA-hatB|=…………………..

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  2. Find the torque of a force vecF=2hati+hatj+4hatk acting at the point v...

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  3. What is the value of linear velocity ,if if omega=3hati-4hatj+hatkand ...

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  4. The angle made by the vector vecA=hati+hatj with x-axis is

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  5. Two vectors vecA=3hati+2hatj+hatk" and "vecB=5hatj-9hatj+Phatk are per...

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  6. If the vectors (hati + hatj+hatk) and 3hati form two sides of a triang...

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  7. The vactor projection of a vector 3hati+4hatkon y-axis is

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

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  9. The component of vector A=a(x)hati+a(y)hatj+a(z)hatk and the directioi...

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  10. (vecA+2vecB).(2vecA-3vecB):-

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  11. If vecA=3hati+4hatj and vecB=6hati+8hatj, select correct alternatives ...

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

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  13. vecA, vecB and vecC are vectors each having a unit magneitude. If ...

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  14. The velocity of a particle is v=6hati+2hatj-2hatk The component of the...

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  15. Two vectors vecA=4hati+alphahatj+2hatk" and "vecB=2hati+hatj+hatk are ...

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  16. If vector hati+hatj-hatk" and "2hati+2hatj+lambdahatk are parallel tha...

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  17. If vecAxxvecB=vecC then find out the correct one :-

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  18. The position vectors of points A,B,C and D are A=3hati+4hatj+5hatk,B=4...

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  19. If vector (hata+ 2hatb) is perpendicular to vector (5hata-4hatb), then...

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  20. If hata" and "hatb are non-collinear unit vectors and if |hata+hatb|=s...

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