Home
Class 12
MATHS
If vec a = 7 hat i +hat j - 4 hat kand v...

If `vec a = 7 hat i +hat j - 4 hat k`and `vec b=2 hat i+6 hat j +3 hat k`, then find the projection of `vec a` on `vec b` .

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

If vec a = hat i + hat j+ 2hat k and vec b =2 hat i+ hat j - 2 hat k , find vec a + vec b .

If vec a = 2hat i - hat j+ 3hat k and vec b =4 hat i+ hat j - 3 hat k , find vec a + vec b .

If vec a = hat i + hat j+ 2hat k and vec b =2 hat i+ hat j - 2 hat k , find vec a - 2vec b .

If vec a = hat i + hat j+ 2hat k and vec b =2 hat i+ hat j - 2 hat k , find 2 vec a- vec b .

If vec a = 6hat i - hat j+ 2hat k and vec b =hat i- 3hat j - 2 hat k , find vec a - vec b .

If vec a = 5hat i - hat j- 2hat k and vec b =5 hat i+ hat j - 2 hat k , find 3vec a - vec b .

If vec a= 2 hat i+ hat j + 3 hat k and vec b= 3 hat i+ 5 hat j- 2 hat k , find | vec a * vec b |.

If vec a = 2hat i -3 hat j+ 3hat k and vec b =3 hat i- hat j - 4 hat k , find vec a + vec b .

let vec a = 2hat i +3hat j and vec b = hat i +4hat j then find projection of vec a on vec b

If vec a=4 hat i -hat j +hat k and vec b =2hat i-2 hat j+hat k , then find a unit vector vec a+ vec b .

PRADEEP PUBLICATION-VECTORS-EXERCISE
  1. What is the value of [vec a vec b vec c] if vec a, vec b, vec c are no...

    Text Solution

    |

  2. If a and b are two unit vectors such that a+2b and 5a−4b are perpendic...

    Text Solution

    |

  3. If vec a = 7 hat i +hat j - 4 hat kand vec b=2 hat i+6 hat j +3 hat k,...

    Text Solution

    |

  4. What is the value of |hat a+ hat b + hat c| if hat a, hat b and hat c ...

    Text Solution

    |

  5. If vec a=4 hat i -hat j +hat k and vec b =2hat i-2 hat j+hat k, then f...

    Text Solution

    |

  6. Find λ and μ if (hat i+3 hat j+9 hat k) xx (3 hat i-λ hat j+μ hat k) =...

    Text Solution

    |

  7. If vec a = 2hat i -3 hat j+ 3hat k and vec b =3 hat i- hat j - 4 hat k...

    Text Solution

    |

  8. Classify the following measures as scalars and vectors, 10 g

    Text Solution

    |

  9. Classify the following measures as scalars and vectors : 2 meters nort...

    Text Solution

    |

  10. Classify the following measure as scalar and vector:40watt

    Text Solution

    |

  11. Classify the following measures as scalars and vectors : 40 watt.

    Text Solution

    |

  12. Classify the following measures as scalars and vectors : 10^(-19).

    Text Solution

    |

  13. Classify the following measures as scalars and vectors: 20 m/s

    Text Solution

    |

  14. Classify the following as scalar and vector quantities: time period

    Text Solution

    |

  15. Classify the following as scalar and vector quantities: distance

    Text Solution

    |

  16. Classify the following as scalar and vector quantities: force

    Text Solution

    |

  17. Classify the following as scalar and vector quantities: velocity

    Text Solution

    |

  18. Classify the following as scalar and vector quantities:work done

    Text Solution

    |

  19. Answer the following ad true or false : veca and -veca are collinear.

    Text Solution

    |

  20. Answer the following ad true or false : Two collinear vectors are alwa...

    Text Solution

    |