Home
Class 11
PHYSICS
If vec(A) and vec(B) denpte the sides of...

If `vec(A)` and `vec(B)` denpte the sides of a parallelogram and its area is `AB//2`, find the angle between `vec(A)` and `vec(B)`.

Promotional Banner

Topper's Solved these Questions

  • Motion in a Plane

    SL ARORA|Exercise Excercise|397 Videos

  • Motion in a Plane

    SL ARORA|Exercise Excercise|397 Videos

  • MECHANICS

    SL ARORA|Exercise Exercise|341 Videos

  • MOTION IN ONE DIMENSION

    SL ARORA|Exercise problems for self practice|66 Videos

Similar Questions

Explore conceptually related problems

If vec(A) and vec(B) denote the sides of a parallelogram and its area is AB/2 , the angle between vec(A) and vec(B) is :-

If vec A and vec B denote the sides of a parallelogram of area AB/ 2 , then the angle between vec A and vec B is ____.

What is the angle between (vec A+ vec B) and (vec A xx vec B) ?

If |vec a|=8,|vec b|=3 and |vec axvec b|=12, find the angle between vec a and vec b.

If |vec(A)+vec(B)| = |vec(A)-vec(B)| , find the angle between vec(A) and vec(B) .

If vec a and vec b are unit vectors find the angle between vec a+vec b and vec a-vec b

What is the angle between vec(A) and vec(B) , If vec(A) and vec(B) are the adjacent sides of a parallelogram drwan from a common point and the area of the parallelogram is AB//2 ?

If vec(a) and vec(B) are two vectors such that |vec(a)|=|vec(b)|=sqrt(2) and vec(a).vec(b)=-1 , find the angle between vec(a) and vec(b) .

If |vec(a).vec(b)|=|vec(a)xx vec(b)| , find the angle between vec(a) and vec(b) .

Given that vec A + vec B= vec R and A^(20 + B^(2) -R^(2) , find the angle between vec A and vec B .

SL ARORA-Motion in a Plane-Example
  1. Prove that the vectors vec(A) = 2hati - 3hatj - hatk and vec(B) =- 6 h...

    Text Solution

    |

  2. Calculate the area of a paralleleogram whose two adjacent sides are fo...

    Text Solution

    |

  3. If vec(A) and vec(B) denpte the sides of a parallelogram and its area ...

    Text Solution

    |

  4. The unit vector perpendicular to vec A = 2 hat i + 3 hat j + hat k and...

    Text Solution

    |

  5. Find a unit vector perpendicular to each one of the vectors vec(a) = 4...

    Text Solution

    |

  6. Determine the sine of the angle between the vectors ( 3 hat i+ 3hat j+...

    Text Solution

    |

  7. Show that (vec(A) - vec(B)) xx (vec(A) +vec(B)) = 2(vec(A) xx vec(B))

    Text Solution

    |

  8. For any three vectors vec(A), vec(B) and vec(C) prove that vec(A) x...

    Text Solution

    |

  9. For any to vectors vec A and vec B, prove that | vec A xx vec B|^2 ...

    Text Solution

    |

  10. Find vec(A).vec(B) if |vec(A)| = 2, |vec(B)| = 5 and |vec(A) xx vec(B)...

    Text Solution

    |

  11. Find the area of the rriangle formed by the tips of the vectors, ve...

    Text Solution

    |

  12. Find the magnitude and direction cosines of the torque about the point...

    Text Solution

    |

  13. Find the area of parallelogram whose diagonals are the vectors 3 hat i...

    Text Solution

    |

  14. In any triangle ABC, prove that a sin A-b sin B -=c sin (A-B).

    Text Solution

    |

  15. If vec a ,\ vec b ,\ vec c are three vectors such that vec adot...

    Text Solution

    |

  16. If vec A=hat i + 2 hat j -3 hat k, vec B =2 hat I -hat j + hat k and...

    Text Solution

    |

  17. A cyclist moves along a circular path of radius 70 m. If he completes ...

    Text Solution

    |

  18. A cyclist moves along a circular path of radius 70 m. If he completes ...

    Text Solution

    |

  19. A cyclist moves along a circular path of radius 70 m. If he completes ...

    Text Solution

    |

  20. A cyclist moves along a circular path of radius 70 m. If he completes ...

    Text Solution

    |