Home
Class 11
PHYSICS
The area of the triangle formed by 2hati...

The area of the triangle formed by `2hati+hatj-hatk` and `hati+hatj+hatk` is

A

3 sq-unit

B

`2sqrt(3)` sq. unit

C

`2sqrt(14)` sq. unit

D

`(sqrt(14))/2` sq. unit

Text Solution

Verified by Experts

The correct Answer is:
D
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

What is the area of triangle formed by vecA=2hati-3hatj+4hatk and vecB=hati-hatk and their Resultant ?

What is the area of the triangle formed by sides vecA = 2hati -3hatj + 4 hatk and vecB= hati - hatk

Two sides of a triangle are given by hati+hatj+hatk and -hati+2htj+3hatk , then area of triangle is

The area of the triangle having vertices as hati-2hatj+3hatk,-2hati+3hatj-hatk,4hati-7hatj+7hatk is

Calculate the area of the triangle formed by the tips of vectors vecP=2hati+hatj-3hatk, vecQ=3hati-hatj+2hatk and vecR=4hati-3hatj+hatk

Find the area of the triangle formed by the tips of the vectors vec(a) = hati - hatj - 3hatk, vec(b) = 4hati - 3hatj +hatk and vec(c) = 3 hati - hatj +2 hatk .

The area of the triangle formed by the adjacent sides with vecA = 3hati + 2hatj - 4 hatk and vecB = -hati + 2hatj + hatk is

If the position vectors of the vertices of a triangle of a triangle are 2 hati - hatj + hatk , hati - 3 hatj - 5 hatk and 3 hati -4 hatj - 4 hatk , then the triangle 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

    |