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The vector projection of a vector 3hat(i...

The vector projection of a vector `3hat(i)+4hat(k)` on y-axis is

A

five

B

four

C

three

D

zero

Text Solution

Verified by Experts

The correct Answer is:
D
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TARGET PUBLICATION-SCALARS AND VECTORS-Critical Thinking
  1. Following sets of three forces act on a body. Whose resultant can not ...

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  2. If more than one forces are acting on a heavy rigid body such that the...

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  3. The vector projection of a vector 3hat(i)+4hat(k) on y-axis is

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  4. A vector is represented by 3hat(i)+hat(j)+2hat(k) Its length in XY pl...

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  5. A particle is simultaneously acted by two forces equal to 4 N and 3N. ...

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  6. The resultant of two vectors at right angles is 5 N. If the angle betw...

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  7. vec(A) is a vector with magnitude A, then the unit vector hat(A) in th...

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  8. If a unit vector is represented by 0.5 hat(i)-0.8 hat(j)+chat(k), then...

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  9. A Unit vector in the direction of the negative of the vector (-hat(i)+...

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  10. If vec(A)=2hat(i)+6hat(j)and vec(B)=4hat(i)+3hat(j), the vector having...

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  11. If the sum of two unit vectors is a unit vector, then magnitude of dif...

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  12. A vector of magnitude b is rotated through angle theta. What is the ch...

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  13. The resultant of two vectors vec(P) and vec(Q) is vec(R ). If the magn...

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  14. Choose the correct options A force vector applied on a mass is repres...

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  15. Vector vec(A)=2hat(i)-3hat(j)+ahat(k)andvec(B)=12hat(i)-bhat(j)+6hat(k...

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  16. If a 4hat(i)+3hat(j)+8hat(k) is perpendicular to the vector 4hat(j)-4h...

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  17. A force vec(F)=3hat(i)+chat(j) +2hat(k) acting on a particle causes a ...

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  18. Work done when a force of (7hat(i)-4hat(j)-4hat(k)) N moves a body thr...

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  19. If vec(P)=hat(i)-2hat(j)-3hat(k)and vec(Q)=4hat(i)-2hat(j)+6hat(k) , t...

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  20. Choose the CORRECT statement.

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