Home
Class 11
PHYSICS
A truck travelling due to north at 20m s...

A truck travelling due to north at `20m s^(-1)` turns west and travels at the same speed. Find the change in its velocity.

A

`40m//s N-W`

B

`20sqrt(2)m//sN-W`

C

`40m//s S-W`

D

`20sqrt(2) m//s S-W`

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
ERRORLESS -VECTORS-Exercise
  1. There are two force vectors, one of 5 N and other of 12 N at what angl...

    Text Solution

    |

  2. If vecA=4hati-3hatj and vecB=6hati+8hatj then magnitude and direction ...

    Text Solution

    |

  3. A truck travelling due to north at 20m s^(-1) turns west and travels a...

    Text Solution

    |

  4. If the sum of two unit vectors is a unit vector,then find the magnitud...

    Text Solution

    |

  5. vecA=2hati+hatj,B=3hatj-hatk and vecC=6hati-2hatk. value of vecA-2ve...

    Text Solution

    |

  6. An object of m kg with speed of v m s^(-1) strikes a wall at an angle ...

    Text Solution

    |

  7. For the resultant of the two vectors to be maximum, what must be the a...

    Text Solution

    |

  8. A particle is simultaneously acted by two forces equal to 4 N and 3N. ...

    Text Solution

    |

  9. Two vectors vec(A) and vec(B) lie in plane, another vector vec(C ) lie...

    Text Solution

    |

  10. If the resultant of the two forces has a magnitude smaller than the ma...

    Text Solution

    |

  11. Forces F(1) and F(2) act on a point mass in two mutually perpendicular...

    Text Solution

    |

  12. If |vecA-vecB|=|vecA|=|vecB|, the angle between vecA and vecB is

    Text Solution

    |

  13. Let the angle between two nonzero vector vecA and vecB is 120^@ and it...

    Text Solution

    |

  14. A magnitude of vector vecA,vecB and vecC are respectively 12, 5 and 13...

    Text Solution

    |

  15. Magnitude of vector which comes on addition of two vectors, 6hati+7hat...

    Text Solution

    |

  16. A particle has displacement of 12m towards east and 5 m towards north ...

    Text Solution

    |

  17. The three vectors vecA=3hati-2hatj+hatk, vecB=hati-3hatj+5hatk and vec...

    Text Solution

    |

  18. For the figure shown .

    Text Solution

    |

  19. Let vecC=vecA+vecB

    Text Solution

    |

  20. The value of the sum of two vectors vecA and vecB with theta as the an...

    Text Solution

    |