Home
Class 12
PHYSICS
A body travels 50km east , then 120 km n...

A body travels 50km east , then 120 km north and finally it comes back to the starting point through the shortest distance. Total time of journey is 3 hours. What is the average velocity in `km/h` , over the entire trip

A

0

B

100

C

17

D

33.33

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MECHANICAL PROPERTIES OF SOLIDS

    MBD PUBLICATION|Exercise QUESTION BANK |224 Videos

  • MOTION OF SYSTEM OF PARTICLES AND RIGID BODY

    MBD PUBLICATION|Exercise QUESTION BANK|234 Videos

Similar Questions

Explore conceptually related problems

A body travels from a point P to point Q by the shortest route with a velocity of 50km/h and returns to P by the same route with a velocity of 70 km/h. What is the average speed ?

A car travels a distance A to B at a speed of 40km/h and returns to A at a speed of 30km/h (i)what is the average speed for the whole journey (ii)what is the average velocity ?

A body starting from rest accelerates uniformly at 0.1m/s^2 and retards uniformly at 0.2m/s^2 . What is the least time in which it can complete a journey of 5km if it attains a maximum velocity 72 km/hr.

An air plane is flying with velocity 50km/h in north east direction . Wind is blowing at 25km/hr from north to south .what is the resultant displacement of air plane in 2 hours.

A boy walks to his school at a distance of 6 km with constant speed 2.5(km)/h and walks back with constant speed of 4(km)/h . What is the average speed for the round trip in (km)/h

MBD PUBLICATION-MOTION IN A STRAIGHT LINE -QUESTION BANK
  1. A ball is thrown upwards from the ground . It is at a height of 100m i...

    Text Solution

    |

  2. Two bodies A ( of mass 1 kg ) and B (of mass 3 kg ) are dropped from h...

    Text Solution

    |

  3. A body travels 50km east , then 120 km north and finally it comes back...

    Text Solution

    |

  4. A toy cyclist completes one round of a square track of side 2m in 40 s...

    Text Solution

    |

  5. A body starting from rest , moves with uniform acceleration . The dist...

    Text Solution

    |

  6. A ball is thrown vertically upwards with velocity of 25m/s from the t...

    Text Solution

    |

  7. The velocity of a particle is u=v0 + gt + ft^2. If its position is x =...

    Text Solution

    |

  8. Two electrons are moving in opposite directions with speeds 0.8c and 0...

    Text Solution

    |

  9. A body moves along a straight line with acceleration 3m/s^2 for 2 seco...

    Text Solution

    |

  10. A body released from the top of tower falls through half the height of...

    Text Solution

    |

  11. A body freely falling from rest has a velocity v after it falls throug...

    Text Solution

    |

  12. A man throws balls into air one after another throwing one the other i...

    Text Solution

    |

  13. The variation in the speed of a car during it's two hours journey is s...

    Text Solution

    |

  14. A stone is thrown upwards with a speed u from the top of a tower reach...

    Text Solution

    |

  15. A ball is thrown vertically upwards from the ground with a velocity of...

    Text Solution

    |

  16. a man in a balloon rising vertically with an acceleration of 4.9m/s^2 ...

    Text Solution

    |

  17. A particle is dropped under gravity from rest from a height h (g = 9.8...

    Text Solution

    |

  18. A particle moving with a uniform acceleration 24m and 64m in the first...

    Text Solution

    |

  19. By which velocity a ball is projected vertically so that the distance ...

    Text Solution

    |

  20. A car drives along straight level frictionless road by an engine deliv...

    Text Solution

    |