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If vec(A)=2hat(i)+3hat(j)+6hat(k) and ve...

If `vec(A)=2hat(i)+3hat(j)+6hat(k)` and `vec(B)=3hat(i)-6hat(j)+2hat(k)` then vector perpendicular to both `vec(A)` and `vec(B)` has magnitude K times that of `6hat(i)+2hat(j)-3hat(k)`. Then K =

A

1

B

3

C

7

D

9

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-SYSTEM OF PARTICLES AND ROTATIONAL MOTION-EXERCISE - 2
  1. a, b are the magnitudes of vectors vec(a) & vec(b). If vec(a)xx vec(b)...

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  2. If vec(A)=4N, vec(B)=3N the value of |vec(A)xx vec(B)|^(2)+|vec(A).vec...

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  3. If vec(A)=2hat(i)+3hat(j)+6hat(k) and vec(B)=3hat(i)-6hat(j)+2hat(k) t...

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  4. Vertices of a triangle are given by hat(i)+3hat(j)+2hat(k), 2hat(i)-ha...

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  5. Three identical spherical shells, each of mass m and radius r are plac...

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  6. Two small spheres of masses 10 kg and 30 kg are joined by a rod of len...

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  7. A ring has a mass of 0.5 kg and radius 1 m. The moment of inertia of t...

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  9. The radius of gyration of a body about an axis at a distance of 4 cm f...

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  11. The moment of inertia of a cylinder about its own axis is equal to its...

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  12. Two circular loops of radii R and nR are made of same wire. If their M...

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  13. Three identical rings, each of mass M and radius R are placed in the s...

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  14. The radius of gyration of a solid sphere of radius .R. about its tange...

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  15. A straight thin uniform rod of length 4L and man 4M is bent into a squ...

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  16. The moment of inertial of an uniform circular disc about its central a...

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  17. Two circular rings of equal mass and radius are placed touching each o...

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  18. Moment of inertia of a thin square plate about an axis passing through...

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  19. Two identical rods are joined to form an .X.. The smaller angle betwee...

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  20. A thin wire of length l having linear density rho is bent into a circu...

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