Home
Class 11
PHYSICS
Speeds of two identical cars are u and 4...

Speeds of two identical cars are u and 4u at at specific instant. The ratio of the respective distances in which the two cars are stopped from that instant is

A

`1:1`.

B

`1:4`.

C

`1:8`.

D

`1:16`.

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • MECHANICS

    SL ARORA|Exercise Exercise|341 Videos

  • Mechanical Properties of Solids

    SL ARORA|Exercise Example|113 Videos

  • Motion in a Plane

    SL ARORA|Exercise Excercise|397 Videos

Similar Questions

Explore conceptually related problems

The speeds of three cars are in the ratio of 2 : 3 : 5 Find the ratio of the time taken by the above cars to travel the same distance.

If x is the distance at which a car can be stopped when initially it was moving with speed u, then on making the speed of the car Nu, the distance at which the car can be stopped is

The speeds of three cars are in the ratio 4: 3: 2. What is the ratio between the times taken by the cars to cover the same distance ?

The speeds of three cars are in the ratio of 2:3:4 Find the ratio between the time taken by these cars to cover the same distance.

A car is moving on a straight horizontal road with a speed v. When brakes are applied to give a constant retardation a, the car is stopped in a shortest distance S. If the car was moving on the same road with a speed 3v and the same retardation a is applied, the shortest distance in which the car is stopped will be

Two particle are moing along X and Y axes towards the origin with constant speeds u and v respectively. At time t=0 , their repective distance from the origin are x and y . The time instant at which the particles will be closest to each other is

SL ARORA-MECHANICS-Exercise
  1. A car, moving with a speed of 50 km//hr, can be stopped by brakes afte...

    Text Solution

    |

  2. An automobile travelling with a speed 60 km//h , can brake to stop wi...

    Text Solution

    |

  3. Speeds of two identical cars are u and 4u at at specific instant. The ...

    Text Solution

    |

  4. If a body looses half of its velocity on penetrating 3 cm in a wooden ...

    Text Solution

    |

  5. A car, starting from rest, accelerates at the rate f through a distanc...

    Text Solution

    |

  6. The relation between time t and distance x is t = ax^(2)+ bx where a a...

    Text Solution

    |

  7. A particle located at x = 0 at time t = 0, starts moving along the pos...

    Text Solution

    |

  8. The velocity of particle is v=v(0)+"gt"+ft^(2). If its position is x=0...

    Text Solution

    |

  9. A body is at rest at x =0 . At t = 0, it starts moving in the posi...

    Text Solution

    |

  10. From a building two balls A and B are thrown such that A is thrown up...

    Text Solution

    |

  11. A ball is released from the top of a tower of height h metre. It takes...

    Text Solution

    |

  12. A parachutist after bailing out falls 50m without friction. When parac...

    Text Solution

    |

  13. An object , moving with a speed of 6.25 m//s , is decelerated at a ra...

    Text Solution

    |

  14. From a tower of height H, a particle is thrown vertically upwards with...

    Text Solution

    |

  15. A body is thrown vertically upwards. Which one of the following graphs...

    Text Solution

    |

  16. All the graphs below are intended to represent the same motion. One of...

    Text Solution

    |

  17. The displacement of a body is proporticonal to the cube of time elapse...

    Text Solution

    |

  18. The velocity of a bullet is reduced from 200 m//s to 100 m//s while tr...

    Text Solution

    |

  19. A particles starts from rest and has an acceleration of 2m//s^(2) ...

    Text Solution

    |

  20. A body A starts from rest with an acceleration a1. After 2 seconds, an...

    Text Solution

    |