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The component of vector A=2hati+3hatj al...

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

A

`5/(sqrt(2))`

B

`10sqrt(2)`

C

`5sqrt(2)`

D

5

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The correct Answer is:
A
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ERRORLESS -VECTORS-Exercise
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  2. Unit vector parallel to the resultant of vectors A = 4hati - 3hatj and...

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

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

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

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  6. If vecA=4hati-3hatj and vecB=6hati+8hatj then magnitude and direction ...

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  7. A truck travelling due to north at 20m s^(-1) turns west and travels a...

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  8. If the sum of two unit vectors is a unit vector,then find the magnitud...

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  9. vecA=2hati+hatj,B=3hatj-hatk and vecC=6hati-2hatk. value of vecA-2ve...

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  10. An object of m kg with speed of v m s^(-1) strikes a wall at an angle ...

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  11. For the resultant of the two vectors to be maximum, what must be the a...

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

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  13. Two vectors vec(A) and vec(B) lie in plane, another vector vec(C ) lie...

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  14. If the resultant of the two forces has a magnitude smaller than the ma...

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  15. Forces F(1) and F(2) act on a point mass in two mutually perpendicular...

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  16. If |vecA-vecB|=|vecA|=|vecB|, the angle between vecA and vecB is

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  17. Let the angle between two nonzero vector vecA and vecB is 120^@ and it...

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  18. A magnitude of vector vecA,vecB and vecC are respectively 12, 5 and 13...

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  19. Magnitude of vector which comes on addition of two vectors, 6hati+7hat...

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  20. A particle has displacement of 12m towards east and 5 m towards north ...

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