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The angle subtended by the vector vecA=s...

The angle subtended by the vector `vecA=sqrt(3) hati-hatj` with the y-axis is

A

`60^@`

B

`240^@`

C

`120^@`

D

`45^@`

Text Solution

Verified by Experts

The correct Answer is:
C
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CHHAYA PUBLICATION-VECTOR-EXAMINATION ARCHIVE WITH SOLUTIONS (WBCHSE)
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  4. (2hati+hatj-hatk) N force is acting on a body of 10 kg mass, if the bo...

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  5. A body is projected with initial velocity u making an angle theta with...

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  6. If vecA+vecB+vecC=0 then show that vecAxxvecB=vecBxxvecC=vecCxxvecA.

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  7. If vecA*vecB=|vecAxxvecB| then the angle between vecA and vecB is

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  8. vecaxxvecb is not equal to vecbxxveca. Why ?

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  9. Find a unit vector which is perpendicular to both vecA=3hati+hatj+2hat...

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  10. Determine the relation between the kinetic energy of a projectile at m...

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  11. What is null vector ?

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  12. Which quantity remains unchanged in case of a projectile ?

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  13. Determine the unit vector along the vector vecA=hati+3hatj+4hatk.

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  14. At what angle should the two forces (vecA+vecB) and (vecA-vecB) act so...

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  15. What do you mean by relative velocity ?

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  16. If vecA =0.4hati+0.3hatj+chatk be a unit vector , then what is the v...

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  17. Find the angle between the two vectors vecA =hati-2hatj+3hatk and vec...

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  19. What are the quantities that remain constant during the motion of the ...

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