Home
Class 12
PHYSICS
A car is driven round a curved path of r...

A car is driven round a curved path of radius 18 m without the danger of skidding. The coefficient of friction between the tyres of the car and the surface of the curved path is 0.2. What is the maximum speed in kmph of the car for safe driving ? [g = `10 ms^(-1)`]

A

21.6 kmph

B

18.5 kmph

C

25.4 kmph

D

28.6 kmph

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • LAWS OF MOTION

    AAKASH SERIES|Exercise PRACTICE EXERCISE|106 Videos

  • LAWS OF MOTION

    AAKASH SERIES|Exercise EXERCISE - I|157 Videos

  • GEOMETRICAL OPTICS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL-II PRACTICE SHEET (ADVANCED) INTEGER TYPE QUESTIONS)|10 Videos

  • LOGIC GATES

    AAKASH SERIES|Exercise Exercise (Very Short Answer)|10 Videos

Similar Questions

Explore conceptually related problems

A car is negotiating a curved road of radius R. The road is banked at angle theta . The coefficeint of friction between the tyres of the car and the road is mu_(s) . The maximum safe velocity on this road is

If the coefficient of friction between the tyres of a car and the road is mu_(k) , show that the maximum stopping distance of the car when moving with a velocity v is v^(2)//2mu_(k)g

A car round on unbanked curve of radius 92 m without skidding at a speed of 26 ms ^(-1) . The smallest possible coefficient of static friction between the tyres and the road is

A car is moving on a horizontal circular road of radius 0.1 km with constant speed. If coefficient of friction between tyres of car and road is 0.4, then speed of car may be (g=10m//s^(2))

A car is taking turn on a circular path of radius R. If the coefficient of friction between the tyres and road is mu , the maximum velocity for no slipping is

The coefficient of friction between the tyres and the road is 0.1. The maximum speed with which a cyclist can take a circular turn of radius 3 m without skidding is ("Take g"=10ms^(-2))

What will be maximum speed of a car on a curved road of radius 30 m , If the coefficient of friction between the tyres and the road is 0.4? (g=9.8 m//s^(2))

The mass of a bicycle rider along with the bicycle is 100 kg. he wants to cross over a circular turn of radius 100 m with a speed of 10 ms^(-1) . If the coefficient of friction between the tyres and the road is 0.6, will the rider be able to cross the turn? Take g = 10 ms^(-2) .

A car has to move on a level turn of radius 45 m. If the coefficient of static friction between the tyre and the road is mu_s=2.0, find the maximum speed the car can take without skidding.

A car is taking a turn of radius 400 m on a horizontal circle . Coefficient of friction between the ground and tyres of car is 0.2 . Find the maximum speed with a safe turn can be taken

AAKASH SERIES-LAWS OF MOTION-EXERCISE - II
  1. A coin is kept at distance of 10 cm from the centre of a circular turn...

    Text Solution

    |

  2. A body moves along a circular path of the radius 5m. The coefficient o...

    Text Solution

    |

  3. A car is driven round a curved path of radius 18 m without the danger ...

    Text Solution

    |

  4. A block of mass kg lies on a horizontal surface in a truck· The coeff...

    Text Solution

    |

  5. A box is placed on the floor of a truck moving with an acceleration of...

    Text Solution

    |

  6. The rear side of a truck is open and a box of mass 40kg is placed 5m ...

    Text Solution

    |

  7. A horizontal force 10 N is necessary to just hold a block stationary a...

    Text Solution

    |

  8. A person holds a block weighing 2kg between his hands & keeps it from ...

    Text Solution

    |

  9. An eraser weighing 2N is pressed against the black board with a force ...

    Text Solution

    |

  10. A block of mass 4kg is placed in contact with the front vertical surfa...

    Text Solution

    |

  11. A book of weight 20 N is pressed between two hands and each hand exert...

    Text Solution

    |

  12. A man of mass 40 kg is at rest between the walls as shown in the figur...

    Text Solution

    |

  13. A wooden block is placed on an inclined plane. The block just begins t...

    Text Solution

    |

  14. A block of mass 2 kg rests on a rough inclined plane making an angle o...

    Text Solution

    |

  15. A body takes 1(1/3) times as much time to slide down a rough inclined ...

    Text Solution

    |

  16. A block of mass 2kg is lying on a rough inclined plane. The force need...

    Text Solution

    |

  17. A block sliding down a rough 45° inclined plane has half the velocity ...

    Text Solution

    |

  18. A block is pushed up a rough inclined plane of 45°. If the time of des...

    Text Solution

    |

  19. A rod AB of length 2L and mass m is lying on a horizontal frictionless...

    Text Solution

    |

  20. A body is allowed to slide from the top along a smooth inclined plane ...

    Text Solution

    |