Home
Class 11
PHYSICS
The velocity of a particle is vecv=6hati...

The velocity of a particle is `vecv=6hati+2hatj-2hatk`. The component of the velocity parallel to vector `veca=hati+hatj+hatk` in vector form is

A

`6hati+2hatj+2hatk`

B

`2hati+2hatj+2hatk`

C

`hati+hatj+hatk`

D

`6hati+2hatj-2hatk`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • UNITS AND MEASUREMENT

    PATHFINDER|Exercise QUESTION BANK|30 Videos

  • WAVE MOTION AND SOUND -I & II

    PATHFINDER|Exercise QUESTION BANK|195 Videos

Similar Questions

Explore conceptually related problems

Find unit vector in the direction of vector veca=2hati+3hatj+hatk

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

The position vector of a particle is, vecr=3thati-2t^2hatj+4hatk . Find out (i) its velocity vecv and acceleration veca ,

Find the projection of the vector veca=2hati+3hatj+2k on the vector vecb=hati+2hatj+hatk .

Given vecA=2hati+3hatj and vecB=hati+hatj . The component of vector vecA along vector vecB is

Calculate the unit vector along vecA=3hati+4hatj-hatk .

Angle between the vectors hati +hatj and hati-hatk is

find the projection of the vector hati-3hatj-7hatk on the vector 7hati-hatj-8 hatk

find the projection of the vector hati+2hatj+3hatk on the vector 5hati-2hatj+4 hatk

Find the projection of the vector vecP=2hati-3hatj+6hatk on the vector vecQ=hati+2hatj+2hatk .

PATHFINDER-VECTOR-I AND VECTOR-II-QUESTION BANK
  1. The angle between the vector vecA and vecB is 0. The value of the trip...

    Text Solution

    |

  2. If veca and vecb are two vectors then the value of (veca+vecb) xx (vec...

    Text Solution

    |

  3. The velocity of a particle is vecv=6hati+2hatj-2hatk. The component of...

    Text Solution

    |

  4. The value of hatixx(hatixxveca)+hatjxx(hatjxxveca)+hatkxx(hatkxxveca) ...

    Text Solution

    |

  5. If vector vecA and vecB have an angletheta between them, then value of...

    Text Solution

    |

  6. A particle undergoes three successive displacements given by vecs1=sqr...

    Text Solution

    |

  7. The resultant of vecA and vecB is R1. On reversing the vector vecB, th...

    Text Solution

    |

  8. If the sum of two unit vectors is a unit vector,then magnitude of diff...

    Text Solution

    |

  9. The sum of two vectors vecA and vecB is at right angles of their diffe...

    Text Solution

    |

  10. A vector having magnitude 30 unit makes equal angles with each of X,Y ...

    Text Solution

    |

  11. If hatA is unit vector in a given direction then, the value of hatA.(d...

    Text Solution

    |

  12. If vecF1 and vecF2 are two vectors of equal magnitudes F such abs(vecF...

    Text Solution

    |

  13. If a vector vecp is making angles alpha,beta and gamma respectively wi...

    Text Solution

    |

  14. The volume V of a ball (solid sphere) of radius r is given by the func...

    Text Solution

    |

  15. Suppose that the function F is defined for all real numbers r by the f...

    Text Solution

    |

  16. A function f(x) is defined as f(x)=x^2+3. Find f(0),f(1), f(x^2), f(x+...

    Text Solution

    |

  17. If function F is defined for all real numbers x by the formula F(x)=x^...

    Text Solution

    |

  18. Convert 45^@ to radians.

    Text Solution

    |

  19. Convert pi/6 rad to degrees.

    Text Solution

    |

  20. Convert 30^@ to radians.

    Text Solution

    |