Home
Class 12
PHYSICS
Radius of the curved road on national hi...

Radius of the curved road on national highway is r. Width of the road is l. The outer edge of the road is raised by h with respect to the inner edge so that a car with velocity v can pass safely over it. The value of h is

A

`(v^2r)/g`

B

`(v^2l)/r`

C

`(v^2l)/(rg)`

D

`(v^2)/g`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CIRCULAR MOTION

    TARGET PUBLICATION|Exercise EVALUATION TEST|11 Videos

  • CIRCULAR MOTION

    TARGET PUBLICATION|Exercise CRITICAL THINKING|93 Videos

  • ATOMS, MOLECULES AND NUCLEI

    TARGET PUBLICATION|Exercise Evaluation test|19 Videos

  • CURRENT ELECTRICITY

    TARGET PUBLICATION|Exercise Evaluation Test|6 Videos

Similar Questions

Explore conceptually related problems

The radius of the curved road on a national highway is R . The width of the road is b . The outer edge of the road is raised by h with respect to the inner edge so that a car with velocity v can pass safe over it. The value of h is

A curve in a road forms an arc of radius 800 m. If the road is 19.6 m wide and outer edge is 1m higher than the inner edge, calculate the speed for which it is banked.

A curve in a road froms an arc of radius 800m If the road is 19.6m wide and outer edge is 1m higher than the inner edge calculate the speed for which it is banked.

A train has to negotiate a curve of radius 400m. The speed of the train is 72 km//hour . The horizontal distance is to be raised with respect to the inner radius by h. IF distances between rail is l=1 m, the value of h will be (g=10 m//s^2 )

A road of width 20 m froms an arc of radius 15 m,its outer edge is 2 m higher than its inner edge. Calculate for what velocity the road is banked?

A curve in a road froms an are of radius 800 m If the road is 39.2 m wide Calculate the safe speed for turning if outer edge of the road is 0.5 m higher than the inner edge .

The phenomenon of raising the outer edge of the curved roads above the inner edge to provide necessary centripetal force to the vehicle to take a safe turn is called "_____".

A road is 8 m wide. Its radius of curvature is 40 m. The outer edge is above the lower edge by a distance of 1.2 m. This road is most suited for a velocity of

TARGET PUBLICATION-CIRCULAR MOTION-COMPETITIVE THINKING
  1. An aircraft executes a horizontal loop with a speed of 150 m/s with it...

    Text Solution

    |

  2. A car of mass 1000kg negotiates a banked curve of radius 90m on a fict...

    Text Solution

    |

  3. Radius of the curved road on national highway is r. Width of the road ...

    Text Solution

    |

  4. A person with his hands in his pockets is skating on ice at the veloci...

    Text Solution

    |

  5. A particle describes a horizontal circle in a conical funne whoses inn...

    Text Solution

    |

  6. For a particle moving in a vertical circle, the total energy at differ...

    Text Solution

    |

  7. A heavy mass is attached to a thin wire and is whirled in a vertical c...

    Text Solution

    |

  8. A body of mass m hangs at one end of a string of length l , the other ...

    Text Solution

    |

  9. A simple pendulum of length I and mass (bob) m is suspended vertically...

    Text Solution

    |

  10. A simple pendulum oscillates in a verticle plane. When it passes throu...

    Text Solution

    |

  11. A simple pendulum of mass m and length l stands in equilibrium in vert...

    Text Solution

    |

  12. What is the minimum velocity with which a body of mass m must enter a ...

    Text Solution

    |

  13. The force acting on the electron in a hydrogen atom depends on the pri...

    Text Solution

    |

  14. A particle is moving in a vertical circle with constant speed. The tan...

    Text Solution

    |

  15. A stone of mass m is tied to a string and is moved in a vertical circl...

    Text Solution

    |

  16. A bucket full of water is revolved in vertical circle of radius 2 m . ...

    Text Solution

    |

  17. A cane filled with water is revolved in a vertical circle of radius 4 ...

    Text Solution

    |

  18. A bucket tied at the end of a 1.6m long string is whirled in a verticl...

    Text Solution

    |

  19. A body crosses the topmost point of a vertical circle with a critical ...

    Text Solution

    |

  20. A mass attached to one end of a string crosses top - most point on a v...

    Text Solution

    |