Home
Class 12
PHYSICS
If vecA=2hati+4hatj and vecB=6hati+8hatj...

If `vecA=2hati+4hatj` and `vecB=6hati+8hatj` and A and B are the magnitudes of `vecA` and `vecB`, then find the value of A and B

Text Solution

Verified by Experts

The correct Answer is:
(i) No, yes (ii) yes (iii) vectors are collinear (iv) `90^(@)` (v) no (vi) never (vii) no
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

If vecA=3hati+4hatj and vecB=6hati+8hatj and A and B are the magnitudes of vecA and vecB , then which of the following is not true?

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

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

If vecA=2hati + 3hatj and vecB= 5hati + 7hatj , then the vector having the magnitude of vecA and direction of vecB would be

If vecA=2hati-2hatj-hatk and vecB=hati+hatj , then : (a) Find angle between vecA and vecB .

If vecA = 3hati - 4hatj and vecB = -hati - 4hatj , calculate the direction of vecA- vecB .

If vecA=3hati-4hatj and vecB=- hati- 4hatj , calculate the direction of vecA+vecB

If the vectors vecA=2hati+4hatj and vecB=5hati-phatj are parallel to each other, the magnitude of vecB is

vecA=(3hati+2hatj-6hatk) and vecB=(hati-2hatj+hatk) , find the scalar product vecA and vecB

If vecA=3hati+4hatj and vecB=7hati+24hatj , find a vector having the same magnitude as vecB and parallel and same direction as vecA .

ALLEN-BASIC MATHS-Exercise-04 [A]
  1. A vector perpendicular to (4hati-3hatj) may be :

    Text Solution

    |

  2. find the area of a parallelogram whose diagonals are veca=3hati+hatj-2...

    Text Solution

    |

  3. If vecA=2hati+4hatj and vecB=6hati+8hatj and A and B are the magnitude...

    Text Solution

    |

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

    Text Solution

    |

  5. A vector vecF(1) is along the positive X-axis. its vectors product wit...

    Text Solution

    |

  6. If hati,hatj and hatk are unit vectors along X,Y & Z axis respectively...

    Text Solution

    |

  7. Two vectors vecP and vecQ that are perpendicular to each other if :

    Text Solution

    |

  8. The magnitude of the vectors product of two vectors vecA and vecB may ...

    Text Solution

    |

  9. Which of the following statements is not true

    Text Solution

    |

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

    Text Solution

    |

  11. A physical quantity which has a direction:-

    Text Solution

    |

  12. Which of the following physical quantities is an axial vector ? (a) mo...

    Text Solution

    |

  13. The minimum number of vectors of equal magnitude needed to produce zer...

    Text Solution

    |

  14. How many minimum numbers of a coplanar vector having different magntid...

    Text Solution

    |

  15. How many minimum numbers of a coplanar vector having different magntid...

    Text Solution

    |

  16. What is the maximum number of components into which a vector can split...

    Text Solution

    |

  17. The maximum number of components into which a vector can be resolved i...

    Text Solution

    |

  18. What is the maximum number of components into which a vector can split...

    Text Solution

    |

  19. The vector sum of the forces of 10 newton and 6 newton can be:

    Text Solution

    |

  20. Vector sum of two forces of 10N and 6N cannot be:

    Text Solution

    |