Home
Class 9
PHYSICS
A train covers half of its journey with ...

A train covers half of its journey with a speed of 30 metre per second and the other half with a speed of 40 km per hour calculate the average speed of the train during the whole journey.

Promotional Banner

Topper's Solved these Questions

  • MOTION

    MODERN PUBLICATION|Exercise EXAMPLE|164 Videos
  • GRAVITATION

    MODERN PUBLICATION|Exercise EXAMPLE|102 Videos
  • SOUND

    MODERN PUBLICATION|Exercise EXERCISE|137 Videos

Similar Questions

Explore conceptually related problems

A car travels a certain distance with a speed of 50 km//h and returns with a speed of 40 km//h . Calculate the average speed for the whole journey.

A bus travels a distance of 120km with a speed of 40km/h and returns with a speed of 30km/h .Calculate the average speed for the entire journey.

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 during whole journey.

A car travels a distance from A to B at a speed of 60 km h^-1 and returns to A at a speed of 30 km h^-1 . The average speed of the car for the whole journey is:

A car travels 20 km in 1 hour and another 40 km in 3 hour. What is the average speed of the car?

Find the ratio of the following: Speed of a cycle 15 km per hour to the speed of scoter 30 km per hour.

A vehicle travels half the distance L with speed V_1 and the other half with dspeed v_2 , then its average speed is

If car covers 204 km distance in 12 hours, then the average speed of car is:

If a body cover a distance x with speed v_1 and then it covers another distance x with speed v_2 , find the average speed for the whole journey.

MODERN PUBLICATION-MOTION-EXAMPLE
  1. A car travels the first 20 km with a speed of 40 kmh-1 and the next 40...

    Text Solution

    |

  2. On a 120km road, a car travels the first 30km with at a uniform speed ...

    Text Solution

    |

  3. A train covers half of its journey with a speed of 30 metre per second...

    Text Solution

    |

  4. A train travels at a speed of 60 km/h for 0.52 h, at 30 km/h for the n...

    Text Solution

    |

  5. A man walks at 1m/s for 60 minutes he takes rest for 20 minutes and th...

    Text Solution

    |

  6. A car travelling with a speed of 2ms^-1 increases its speed to 10ms^-1...

    Text Solution

    |

  7. A car travelling at a speed of 20 ms^-1 applies brackes and stops with...

    Text Solution

    |

  8. The time between a clap and its echo from a wall is 0.1 s. If the dist...

    Text Solution

    |

  9. If a cheetah spots his prey at a distance of 100m, what is the minimum...

    Text Solution

    |

  10. Interpret the distance-time graph.

    Text Solution

    |

  11. From the position-time graph given find the average speed

    Text Solution

    |

  12. From the position-time graph given find the distance travelled between...

    Text Solution

    |

  13. A car travelling at a speed of 10m/s stops in 4s after the application...

    Text Solution

    |

  14. A car travelling at a speed of 10m/s stops in 4s after the application...

    Text Solution

    |

  15. A car travelling at a speed of 10m/s stops in 4s after the application...

    Text Solution

    |

  16. Interpret the following graph and answer the following: Find acce...

    Text Solution

    |

  17. Interpret the following graph and answer the following: Find acce...

    Text Solution

    |

  18. Interpret the following graph and answer the following: Find acce...

    Text Solution

    |

  19. Interpret the following graph and answer the following: The avera...

    Text Solution

    |

  20. A bus accelerates uniformly from 18 km/h to 36 km/h in 10s. Calculate ...

    Text Solution

    |