Home
Class 11
PHYSICS
The veetor proheetion of vector 3hati+4h...

The veetor proheetion of vector `3hati+4hatk` on y-axis.

A

3

B

4

C

5

D

zero

Text Solution

Verified by Experts

The correct Answer is:
4
Projection `= ((3hati+4hatk)*hatj)/(|hatj|) =0`
Promotional Banner

Topper's Solved these Questions

  • BASIC MATHEMATICS USED IN PHYSICS &VECTORS

    ALLEN |Exercise CROSS PRODUCT|15 Videos

  • BASIC MATHEMATICS USED IN PHYSICS &VECTORS

    ALLEN |Exercise EXERCISE-II AIPMT/NEET & AIIMS (2006- 2018)|6 Videos

  • BASIC MATHEMATICS USED IN PHYSICS &VECTORS

    ALLEN |Exercise RESOLUTION OF VECTOR|8 Videos

  • CENTRE OF MASS

    ALLEN |Exercise EXERCISE-V B|19 Videos

Similar Questions

Explore conceptually related problems

The vector component of vector vecA =3hati +4hatj +5hatk along vector vecB =hati +hatj +hatk is :

Find the projection of the vector 7hati+hatj-4hatk on the vector 2hati+6hatj+3hatk .

Find the vector product of vectors vecA = 4hati + 2 hatJ - hatk ,vecB = hati+ 3 hatJ + 4 hatk

The direction cosines of vector a=3hati+4hatj+5hatk in the direction of positive axis of X, is

Component of hati-2hatj+4hatk on y-axis …... .

Find the scalar and vector products of two vectors. a = (3hati – 4hatj + 5hatk) and b = (– 2hati + hatj – 3hatk )

The direction cosines of the vector 3hati-4hatj+5hatk are

Find the projection of the vector hati+3hatj+7hatk on the vector 7hati-hatj+8hatk .

The scalar product of the vector hati+hatj+hatk with a unit vector along the sum of vectors 2hati+4hatj-5hatk and lambda hati+2hatj+3hatk is equal to one. Find the value of lambda .

ALLEN -BASIC MATHEMATICS USED IN PHYSICS &VECTORS -DOT PRODUCT
  1. What is the angle between vecA and the resultant of (vecA+vecB) and (v...

    Text Solution

    |

  2. If hatn=ahati+bhatj is perpendicualr to the vector (hati+hatj), then t...

    Text Solution

    |

  3. Given that vecA=vecB . What is the angle between (vecA+vecB) and (vecA...

    Text Solution

    |

  4. The vector sum of two forces is perpendiuclar to their vector differen...

    Text Solution

    |

  5. The magnitudes of vectors vecA,vecB and vecC are respectively 12,5 and...

    Text Solution

    |

  6. If vectors vecP, vecQ and vecR have magnitudes 5, 12 and 13 units and ...

    Text Solution

    |

  7. A vector perpendicular to (4hati-3hatj) may be :

    Text Solution

    |

  8. A force (3hati+2hatj) N displaces an object through a distance (2hati-...

    Text Solution

    |

  9. If vecP.vecQ=PQ then angle between vecp and vecQ is :

    Text Solution

    |

  10. The resultant of vecA and vecB is perpendicular to vecA. What is the a...

    Text Solution

    |

  11. What is the component of (3hati+4hatj) along (hati+hatj) ?

    Text Solution

    |

  12. The vector vecB=5hati+2hatj-Shatk is perpendicular to the vector vecA=...

    Text Solution

    |

  13. What is the projection of vecA on vecB ?

    Text Solution

    |

  14. The angle between the vectors (hati+hatj) and (hatj+hatk) is

    Text Solution

    |

  15. The angles between the two vectors vecA=5hati+12hatj+13hatk and vecB=5...

    Text Solution

    |

  16. Let vecA=hatiA Cos theta+hatjA Sintheta, be any vector, Another vector...

    Text Solution

    |

  17. The vector vecP=ahati+ahatj+3hatk and vecQ=ahati-8hatj-3hatk, are perp...

    Text Solution

    |

  18. A force vecF=(3hati+4hatj) newton acts on a body and displaces it by v...

    Text Solution

    |

  19. The veetor proheetion of vector 3hati+4hatk on y-axis.

    Text Solution

    |

  20. If a vector (2hati+3hatj+8hatk) is perpendicular to the vector (4hatj-...

    Text Solution

    |