Home
Class 11
PHYSICS
If vecA=2hati+3hatj-hatk and vecB=-hati+...

If `vecA=2hati+3hatj-hatk` and `vecB=-hati+3hatj+4hatk` then projection of `vecA` on `vecB` will be

A

`3/(sqrt(13))`

B

`3/(sqrt(26))`

C

`sqrt(3/26)`

D

`sqrt(3/13)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • UNITS, DIMENSION & MEASUREMENTS

    ERRORLESS |Exercise All Questions|333 Videos

  • WAVES AND SOUND

    ERRORLESS |Exercise SET|25 Videos

Similar Questions

Explore conceptually related problems

If vecA= (2hati + 3hatj + 5hatk) and vecB = (hati+ 6hatj+6hatk) , then projection of vecA on vecB would be

Let veca=hati+3hatj+7hatk and vecb=7hati-hatj+8hatk find the projection of veca on vecb

Let veca=hati+3hatj+7hatk and vecb=7hati-hatj+8hatk find the projection of vecb on veca

If veca=2hati-3hatj-hatk and vecb=hati+4hatj-2hatk , then vecaxxvecb is

Given : vecA = 2hati - hatj + 2hatk and vecB = -hati - hatj + hatk . The unit vector of vecA - vecB is

vecA=4hati+4hatj-4hatk and vecB=3hati+hatj+4hatk , then angle between vectors vecA and vecB is

If vecA=3hati+hatj+2hatk and vecB=2hati-2hatj+4hatk then value of |vecAxxvecB| will be

If vecA=3hati+hatj+2hatk and vecB=2hati-2hatj+4hatk , then value of |vecA+vecB| will be

If vecA=5hati-2hatj+3hatk and vecB=2hati+hatj+2hatk , component of vecB along vecA is

If veca = 2hati -3hatk and vecb =hati + 4hatj -2hatk " then " veca xx vecb is

ERRORLESS -VECTORS-Exercise
  1. Given that vecA+vecB+vecC=0, out of three vectors two are equal in mag...

    Text Solution

    |

  2. Two forces F(1)=1N and F(2)=2N act along the lines x=0 and y=0, respec...

    Text Solution

    |

  3. At what angle must the two forces (x+y) and (x-y) act so that the resu...

    Text Solution

    |

  4. Following forces start acting on a particle at rest at the origin of t...

    Text Solution

    |

  5. The resultant of vec(A)+vec(B) is vec(R )(1). On reversing the vector ...

    Text Solution

    |

  6. Figure below shows a body of mass M moving with the uniform speed on a...

    Text Solution

    |

  7. A particle is moving on a circular path of radius r with uniform veloc...

    Text Solution

    |

  8. vecA=2hati+4hatj+4hatk and vecB=4hati+2hatj-4hatk are two vectors. The...

    Text Solution

    |

  9. If vecA=2hati+3hatj-hatk and vecB=-hati+3hatj+4hatk then projection of...

    Text Solution

    |

  10. Two constant forces F(1)=2hati-3hatj+3hatk(N) and F(2)=hati+hatj-2hatk...

    Text Solution

    |

  11. For the any two vecrtors vecA and vecB, if vecA.vecB=|vecAxxvecB|, the...

    Text Solution

    |

  12. Which of the following is the unit vector perpendicular to vecA and ve...

    Text Solution

    |

  13. Two vectors P=2hati+bhatj+2hatk and Q=hati+hatj+hatk will be parallel ...

    Text Solution

    |

  14. Which of the following is not true? If vecA=3hati+4hatj and vecB=6hati...

    Text Solution

    |

  15. The area of the triangle formed by 2hati+hatj-hatk and hati+hatj+hatk ...

    Text Solution

    |

  16. Two trains along the same straight rails moving the constant speed 60k...

    Text Solution

    |

  17. A steam boat goes across a lake and comes back : (a) on a quiet day wh...

    Text Solution

    |

  18. To a person, going eastward in a car with a velociyt of 25km//hr, a tr...

    Text Solution

    |

  19. A swimmer can swim in still water with speed v and the river is flowin...

    Text Solution

    |

  20. A bus is moving with a velocity 10 ms^-1 on a straight road. A scooter...

    Text Solution

    |