Home
Class 12
MATHS
Find the projection of thevector hat i+ ...

Find the projection of thevector `hat i+ 3 hat j+ 7 hat k` on the vector `2 hat i- 3 hat j+ 6 hat k `.

Promotional Banner

Topper's Solved these Questions

  • VECTORS

    PRADEEP PUBLICATION|Exercise EXERCISE|438 Videos
  • THREE DIMENSIONAL GEOMETRY

    PRADEEP PUBLICATION|Exercise EXERCISE|373 Videos

Similar Questions

Explore conceptually related problems

Find the projection of the vector hat i +3 hat j +7 hatk on the vector 7 hati -hat j +8 hat k .

Find the projection of the vector hat i - hat j on the vector hat i + hat j

Find the projection of the vector vec a = 2 hat i+ 3 hat j+ 2 hat k on the vector vec b= hat i+ 2 hat j+ hat k .

Find the projection (vector) of the vector 7 hat i+ hat j- 4 hat k on 7 hat i+ hat j- 3 hat k .

Find the projection (vector) of the vector 7 hat i+ hat j- 4 hat k on 2 hat i+ 6 hat j+ 3 hat k .

If the scalar projection of vector x hat i- hat j+ hat k on vector 2 hat i- hat j+5 hat k , is 1/(sqrt(30)) ,then find the value of xdot

Find a vector of magnitude 5 units, and parallel to the resultant of the vectors vec a =2 hat i+3 hat j- hat k and vec b= hat i-2 hat j+hat k .

Find a unit vector in the direction of the sum of the vectors: vec a= 2 hat i+ 2 hat j+ 5 hat k and vec b= 2 hat i+ hat j- 3 hat k .

Constant forces 2 hat i-5 hat j+6 hat k and -hat i+2 hat j-hat k act on the particle. Determine the work done when the particle is displaced from a point A with position vector 4 hat i-3 hat j-2 hat k to a point B with position vector 6 hat i+hat j-3 hat k .

Find the unit vector in the direction of sum of vectors -2 hat i- 3 hat j+ 2 hat k , 3 hat i+ 4 hat j- 2 hat k and hat i+ 2 hat j+ 6 hat k .

PRADEEP PUBLICATION-VECTORS-EXERCISE
  1. If A,B,C,D are the points with position vectors hat i+ hat j-hat k, 2 ...

    Text Solution

    |

  2. Find the projection of the vector vec a = 2 hat i+ 3 hat j+ 2 hat k on...

    Text Solution

    |

  3. Find the projection of thevector hat i+ 3 hat j+ 7 hat k on the vector...

    Text Solution

    |

  4. Prove that the vectors vec a= hat i- 3 hat j - 5 hat k , vec b= 2 hat ...

    Text Solution

    |

  5. If A,B,C have position vectors (0,1,1),(3,1,5),(0,3,3) respectively, p...

    Text Solution

    |

  6. Prove Cauchy- Schwarz inequality |quad vec a* vec b|<|quad vec a||quad...

    Text Solution

    |

  7. For any two vectors vec a and vec b, prove that (vec a* vec b)^ 2 le |...

    Text Solution

    |

  8. If |quad vec a|=1, |quad vec b|=1 and |quad vec a+ vec b|=1, prove tha...

    Text Solution

    |

  9. If |quad vec a+ vec b|=|quad vec a- vec b|, prove that vec a and vec b...

    Text Solution

    |

  10. If (vec a+ vec b)* (vec a- vec b)=0, show that |quad vec a|=|quad vec ...

    Text Solution

    |

  11. If vec a and vec b are any two vectors, then prove that |quad vec a+ v...

    Text Solution

    |

  12. Prove that two proper vectors vec a and vec b are the right angles iff...

    Text Solution

    |

  13. If vec a,vec b,vec c are three non-coplanar vectors and vec d* vec a ...

    Text Solution

    |

  14. Find a vector vec c such that vec c*(hat i+ hat j)= 2, vec c* (hat i- ...

    Text Solution

    |

  15. Find a vector vec c such that vec c. hat i = vec c. hat j= vec c . hat...

    Text Solution

    |

  16. If vec c is normal to vec a and vec b, show that vec cis normal to ve...

    Text Solution

    |

  17. If vec a, vec b, vec c are three vectors such that |quad vec a|=5,|,qu...

    Text Solution

    |

  18. If vec a,vec b,vec c are mutually perpendicular unit vectors , then f...

    Text Solution

    |

  19. Prove that, in any triangle ABC, cos B=(c^2+a^2-b^2)/(2ca).

    Text Solution

    |

  20. If vec a+ vec b+ vec c= 0, show that the angletheta between vec a and ...

    Text Solution

    |