Home
Class 12
PHYSICS
The unit vector parallel to the resultan...

The unit vector parallel to the resultant of the vectors `vecA=4hati+3hatj+5hatk` and `vecB=-hati+3hatj-8hatk` is :

Text Solution

Verified by Experts

The correct Answer is:
A, B, D
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

The unit vector parallel to the resultant of the vectors vecA=2hati+4hatj+2hatk and vecB=-2hati+4hatj-hatk is

The unit vector parallel to the resultant vector of 2hati+4hatj-5hatk and hati+2hatj+3hatk is

A vector has magnitude 5 units. It is parallel to the resultant vectors of vec(a)=2hati+3hatj-hatk and vec(b)=hati-2hatj+hatk . Find this vector.

Find a unit vector perpendicular to each one of the vectors vec a =4hati -hatj +3hatk and vecb =3 hati +2hatj -hatk

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

The angle between the two vectors vecA=3hati+4hatj+5hatk and vecB=3hati+4hatj-5hatk will be :

Find the unit vector in the direction of the sum of vectors , veca=2hati+2hatj-5hatkandvecb=2hati+hatj+3hatk .

Two vectors vecA=4hati+alphahatj+2hatk" and "vecB=2hati+hatj+hatk are parallel if :-

Find the unit vector in the direction of the vector veca=hati+hatj+2hatk .

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

ALLEN -BASIC MATHS-Exercise-02
  1. Two vectors vecA and vecB are such that vecA+vecB=vecA-vecB. Then

    Text Solution

    |

  2. The angle between (vecAxxvecB) and (vecBxxvecA) is (in radian)

    Text Solution

    |

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

    Text Solution

    |

  4. A vector vecA points vertically upward and vecB points towards north. ...

    Text Solution

    |

  5. Which of the following sets of concurrent forces may be in equilibrium...

    Text Solution

    |

  6. Two vectors, both equal in magnitude, have their resultant equal in ma...

    Text Solution

    |

  7. A force (3hati+4hatj) newton acts on a boby and displaces it by (3hati...

    Text Solution

    |

  8. The vector vecP=ahati+ahatj+3hatj and vecQ=ahati-2hatj-hatk, are perpe...

    Text Solution

    |

  9. The vector sum of two forces is perpendicular to their vector differen...

    Text Solution

    |

  10. Three vectors veca,vecb and vecc satisfy the relation veca.vecb=0 and ...

    Text Solution

    |

  11. Two quantities A and B have different dimensions. Which mathematical o...

    Text Solution

    |

  12. If the dimension of a physical quantity are given by M^a L^b T^c, then...

    Text Solution

    |

  13. If E , M , J , and G , respectively , denote energy , mass , angular m...

    Text Solution

    |

  14. If E is the electric field intensity epsilon(0) is the permitivity of ...

    Text Solution

    |

  15. Dimension of magnetic permeability is :

    Text Solution

    |

  16. The dimension of magnetic field in M, L, T and C (Coulomb) is given as...

    Text Solution

    |

  17. The density of material in CGS system is 4g// cm^(3). In a system of u...

    Text Solution

    |

  18. Dimensional formula of DeltaQ, heat supplied to the system is given by...

    Text Solution

    |

  19. Dimension of (1)/(mu(0)epsilon(0)) is, where symbols have usual meanin...

    Text Solution

    |

  20. The dimension of the quantity vecExxvecB, where vecE represents the el...

    Text Solution

    |