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Set the angles made by following vectors...

Set the angles made by following vectors with x-axis in the increasing order.
(a) `3hati+4hatj` (b) `4hati+3hatj` (c) `hati+hatj`

A

`90^(@)`

B

`45^(@)`

C

`22.5^(@)`

D

`30^(@)`

Text Solution

Verified by Experts

The correct Answer is:
B
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ERRORLESS -VECTORS-Exercise
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  2. Five equal forces of 10 N each are applied at one point and all are ly...

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  3. Set the angles made by following vectors with x-axis in the increasing...

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  4. Any vector in an arbitrary direction can always be replaced by two (or...

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  5. Angular moment is

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  6. Which of the following is a vector

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  7. If vecP= vecQ then which of the following is NOT correct?

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  8. The positoin vector of a particle is vecr=(acos omegat)hati+(asinomega...

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  9. Which of the following is a scalar quantity

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  10. If a unit vector is represented by 0.5hati + 0.8hatj + chatk the value...

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  11. A boy walks uniformly along the sides of a rectangular park of size 40...

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  12. The unit vector parallel to the resultant of the vectors vecA=4hati+3h...

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  13. Surface area is

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  14. With respect to a rectangular Cartesian coordinate system, three vecto...

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  15. The angles between the two vectors vecA=3hati+4hatj+5hatk and vecB=3ha...

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  16. The position vector of a particle is given by vecr=(3t^(2)hati+4t^(2)h...

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  17. Unit vector parallel to the resultant of vectors A = 4hati - 3hatj and...

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  18. The component of vector A=2hati+3hatj along the vector hati+hatj is

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  19. The angles between the two vectors vecA=3hati+4hatj+5hatk and vecB=3ha...

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  20. There are two force vectors, one of 5 N and other of 12 N at what angl...

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