Home
Class 12
PHYSICS
The velocity of a particle is v=6hati+2h...

The velocity of a particle is `v=6hati+2hatj-2hatk` The component of the velocity parallel to vector `a=hati+hatj+hatk` in vector from 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

  • RACE

    ALLEN|Exercise Basic Maths (Units, Dimensions & Measurements)|30 Videos

  • RACE

    ALLEN|Exercise Basic Maths (KINEMATICS)|59 Videos

  • RACE

    ALLEN|Exercise Basic Maths (Co-ordinate & Algebra)|37 Videos

  • NEWTONS LAWS OF MOTION

    ALLEN|Exercise EXERCISE-III|28 Videos

  • SIMPLE HARMONIC MOTION

    ALLEN|Exercise Example|1 Videos

Similar Questions

Explore conceptually related problems

The component of hati in the direction of vector hati+hatj+2hatk is

The angular velocity of a particle is vec(w) = 4hati + hatj - 2hatk about the origin. If the position vector of the particle is 2hati + 3hatj - 3hatk , then its linear velocity is

The vector component of vector vecA =3hati +4hatj +5hatk along vector vecB =hati +hatj +hatk is :

Find the projection of the vector hati-2hatj+hatk on the vector 4hati-4hatj+7hatk .

A vector coplanar with vectors hati + hatj and hat j + hatk and parallel to the vector 2hati -2 hatj - 4 hatk , is

Statement1: A component of vector vecb = 4hati + 2hatj + 3hatk in the direction perpendicular to the direction of vector veca = hati + hatj +hatk is hati - hatj Statement 2: A component of vector in the direction of veca = hati + hatj + hatk is 2hati + 2hatj + 2hatk

Show that the vector A = (hati) - (hatj) + 2 hatk is parallel to a vector B = 3hati - 3hat + 6hatk .

Projection of the vector veca=2hati+3hatj-2hatk on the vector vecb=hati+2hatj+3hatk is

The projection of vector veca=2hati+3hatj+2hatk , on the vector vecb=hati+2hatj+hatk is

Find the projection of the vector veca=3hati+2hatj-4hatk on the vector vecb=hati+2hatj+hatk .

ALLEN-RACE-Basic Maths (VECTORS)
  1. If |hatAxxhatB|=-sqrt(3)hatA.hatB, then |hatA-hatB|=…………………..

    Text Solution

    |

  2. Find the torque of a force vecF=2hati+hatj+4hatk acting at the point v...

    Text Solution

    |

  3. What is the value of linear velocity ,if if omega=3hati-4hatj+hatkand ...

    Text Solution

    |

  4. The angle made by the vector vecA=hati+hatj with x-axis is

    Text Solution

    |

  5. Two vectors vecA=3hati+2hatj+hatk" and "vecB=5hatj-9hatj+Phatk are per...

    Text Solution

    |

  6. If the vectors (hati + hatj+hatk) and 3hati form two sides of a triang...

    Text Solution

    |

  7. The vactor projection of a vector 3hati+4hatkon y-axis is

    Text Solution

    |

  8. Consider two vectors vecF(1)=2hati+5hatk and vecF(2)=3hatj+4hatk. The ...

    Text Solution

    |

  9. The component of vector A=a(x)hati+a(y)hatj+a(z)hatk and the directioi...

    Text Solution

    |

  10. (vecA+2vecB).(2vecA-3vecB):-

    Text Solution

    |

  11. If vecA=3hati+4hatj and vecB=6hati+8hatj, select correct alternatives ...

    Text Solution

    |

  12. the angle between the vectors (hati+hatj) and (hatj+hatk) is

    Text Solution

    |

  13. vecA, vecB and vecC are vectors each having a unit magneitude. If ...

    Text Solution

    |

  14. The velocity of a particle is v=6hati+2hatj-2hatk The component of the...

    Text Solution

    |

  15. Two vectors vecA=4hati+alphahatj+2hatk" and "vecB=2hati+hatj+hatk are ...

    Text Solution

    |

  16. If vector hati+hatj-hatk" and "2hati+2hatj+lambdahatk are parallel tha...

    Text Solution

    |

  17. If vecAxxvecB=vecC then find out the correct one :-

    Text Solution

    |

  18. The position vectors of points A,B,C and D are A=3hati+4hatj+5hatk,B=4...

    Text Solution

    |

  19. If vector (hata+ 2hatb) is perpendicular to vector (5hata-4hatb), then...

    Text Solution

    |

  20. If hata" and "hatb are non-collinear unit vectors and if |hata+hatb|=s...

    Text Solution

    |