Home
Class 11
PHYSICS
A retarding force is applied to stop a m...

A retarding force is applied to stop a motor car . If the speed of the motor car is doubled , how much more distance will it cover before stopping under the same retarding force ?

Text Solution

Verified by Experts

As `s prop upsilon^(2)` therefore , motor car waill cover a distance four times longer than before .
Promotional Banner

Topper's Solved these Questions

  • LAWS OF MOTION

    PRADEEP|Exercise Long Answer Questions|16 Videos
  • LAWS OF MOTION

    PRADEEP|Exercise Curiosity Question|1 Videos
  • LAWS OF MOTION

    PRADEEP|Exercise conceptual problmes|45 Videos
  • KINEMATICS

    PRADEEP|Exercise 1 NCERT Comprehension|4 Videos
  • MATHEMATICAL TOOLS

    PRADEEP|Exercise Fill in the blanks|5 Videos

Similar Questions

Explore conceptually related problems

If the speed of a motor car is doubled , how much more distance will it cover before stopping under the same retarding force ?

A car moving with a velocity v is stopped within a distance x by applying a retarding force F. If the speed of the car is doubled, then the force required to stop the car with the same distance is

Tripling the speed of the motor car multiplies the distance needed for stopping it by

A moving train is stopped by applying brakes. It stops after travelling 80 m . If the speed of the train is doubled and retardation remain the same, it will cover a distance-

A lorry and a car moving with the same KE are brought to rest by applying the same retarding force. Then

The speed of a train is 13/6 times the speed of a car. The car covers 486 km in 9 hours. How much distance will the train cover in 6 hours?

PRADEEP-LAWS OF MOTION-Very short answer questions
  1. A person sitting in the compartment of a tarin moving with unifrom spe...

    Text Solution

    |

  2. If a force is acting on a moving body in a direction perpendicular to ...

    Text Solution

    |

  3. A retarding force is applied to stop a motor car . If the speed of the...

    Text Solution

    |

  4. A body is dropped from the celling of a transparent cabin falling free...

    Text Solution

    |

  5. The linear momentum of a body can change only in the direction of appl...

    Text Solution

    |

  6. A force is always required to move a body uniformly . Comment .

    Text Solution

    |

  7. Calculate the net force acting on a body of mass 10 kg moving with a u...

    Text Solution

    |

  8. Calculate the mass of a body weighing 100 dyne . Take g = 10 ms^(-2) .

    Text Solution

    |

  9. On what factors does the thrust on a rocket depend ?

    Text Solution

    |

  10. Calculate the force acting on a body whose linear momentum changes by ...

    Text Solution

    |

  11. A ball is suspended by a cord from the ceilling of a motor car What wi...

    Text Solution

    |

  12. A vessel containing water is given a constant acceleration 'a' towards...

    Text Solution

    |

  13. What is the ratio of SI to CGS units of linear momentum ?

    Text Solution

    |

  14. Show that if the force acting on a particle is zero , its momentum wil...

    Text Solution

    |

  15. The length of an ideal spring in increases by 0.1 cm when a body of 1 ...

    Text Solution

    |

  16. The two ends of a spring - balance are pulled each by a force of 10 kg...

    Text Solution

    |

  17. A lift is accelerated upward Will the apparent weight of a person insi...

    Text Solution

    |

  18. A ball of 0.5 kg mass moving with a speed of 10 m//s rebounds after st...

    Text Solution

    |

  19. A body of 2 kg is suspended on a spring balance hung vertically in a l...

    Text Solution

    |

  20. A 5- kg body is suspendel from a spring - balance , and an identical b...

    Text Solution

    |