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The angle between two vectors 2 hat i+3 ...

The angle between two vectors `2 hat i+3 hat j+hat k` and `3 hat i + 6 hat j` is :

A

`0^(@)`

B

`60^(@)`

C

`60^(@)`

D

`90^(@)`

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Verified by Experts

The correct Answer is:
D
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MODERN PUBLICATION-DESCRIPTION OF MOTION IN TWO AND THREE DIMENSION-Revision TEST
  1. Two projectiles are thrown with same velocity but at an angle theta an...

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  2. A projectile is thrown with angle of projection tan^(-1)(4/3) The rati...

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  3. The angle between two vectors 2 hat i+3 hat j+hat k and 3 hat i + 6 ha...

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  4. If resultant of two forces vec F and vec F is F. The angle between two...

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  5. A ball is projected at an angle 30° with the horizontal. What is the c...

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  6. A body is projected with K.E. ‘E’ so as to have a maximum horizontal r...

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  7. Angle which the vector vec A = 2 hat i+3 hat j makes with the y-axis i...

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  8. If the magnitude of the vector product is sqrt(3) times the magnitude ...

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  9. If vec(A).vec(B)=|vec(A)xxvec(B)|, then the resultant of vec(A) and ve...

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  10. A ball is projected from a certain point on the surface of a planet at...

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  11. The vector which must be added to the sum of the two vectors hat i+2 h...

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  12. If the time of flight of a body is T and horizontal range is R, then t...

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  13. A force of (10 hat(i) - 3 hat(j) + 6hat(k)) newton acts on a body of m...

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  14. Given a vector vec A =3hati-4hat j . Which of the following is perpend...

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  15. Two projectiles A and B are thrown with velcoity v and v/2 respectivel...

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  16. A small ball suspended from a string is set into oscillation. When the...

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  17. A stone is thrown with a velocity v at an angle theta with the horizon...

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  18. Two projectiles thrown with different velocities and at different angl...

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  19. Show that a proejctile fired at an angle theta with the horizontal cro...

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  20. If vecA=3 hati-4hatj, vecB=-2 hat i+3hat j and vec C = vecA xx vecB, t...

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