Home
Class 12
PHYSICS
A car moves from X to Y with a uniform s...

A car moves from `X` to `Y` with a uniform speed `v_u` and returns to `Y` with a uniform speed `v_d`. The average speed for this round trip is :

A

`(2v_(d)v_(u))/(v_(d)+v_(u))`

B

`sqrt(v_(u)u_(d))`

C

`(v_(d)v_(u))/(v_(d)+v_(u))`

D

`(v_(u)+v_(d))/(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MAGNETISM

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise All Questions|21 Videos

  • MOTION IN TWO AND THREE DIMENSION

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise All Questions|47 Videos

Similar Questions

Explore conceptually related problems

A particle moving with uniform speed

A train goes from P to Q with an average speed of u km/h and returns from Q to P with an average speed of v km/h. What is its average speed for the entire journey in km/h?

If a body covers first half of its journey with uniform speed v_(1) and the second half of the journey with uniform speed v_(2) . Then the average speed is

A car travels from X to Y at a speed of 50km/h and returns back from Y to X at a speed of 60km/h Find the average speed and velocity of the car.

NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-MOTION IN ONE DIMENSION-Exercise
  1. The distance travelled by a particle starting from rest and moving wit...

    Text Solution

    |

  2. A particle moving along x-axis has acceleration f, at time t, given by...

    Text Solution

    |

  3. A car moves from X to Y with a uniform speed vu and returns to Y with ...

    Text Solution

    |

  4. The position x of a particle with respect to time t along the x-axis i...

    Text Solution

    |

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

    Text Solution

    |

  6. A particle moves along a straight line OX. At a time t (in seconds) th...

    Text Solution

    |

  7. The displacement x of a particle varies with time t as x = ae^(-alpha ...

    Text Solution

    |

  8. A man throws ball with the same speed vertically upwards one after the...

    Text Solution

    |

  9. If a ball is thrown vertically upwards with speed u, the distance cove...

    Text Solution

    |

  10. A stone is thrown vertically upwards. When stone is at a height half o...

    Text Solution

    |

  11. A particle moves along a straight line such that its displacement at a...

    Text Solution

    |

  12. A car moving with a speed of 40 km//h can be stopped by applying the b...

    Text Solution

    |

  13. If a car at rest, accelerates uniformly to a speed of 144 km//h in 20s...

    Text Solution

    |

  14. The position x of a particle varies with time t as x=at^(2)-bt^(3). Th...

    Text Solution

    |

  15. If a ball is thrown vertically upwards with a velocity of 40m//s, then...

    Text Solution

    |

  16. Three different objects of masses m(1) , m(2) and m(2) are allowed to ...

    Text Solution

    |

  17. Water drops fall at regular intervals from a tap 5 m above the ground....

    Text Solution

    |

  18. A body is thrown vertically upwards from the ground. It reaches a maxi...

    Text Solution

    |

  19. A stone released with zero velocity from the top of a water, reaches t...

    Text Solution

    |

  20. A car accelerates from rest at a constant rate alpha for some time, af...

    Text Solution

    |