Home
Class 11
PHYSICS
A ball tied to a string takes us to comp...

A ball tied to a string takes us to complete revolution along a horizontal circle. If, by pulling the cord, the radius of the circle is reduceed to half of the previous value, then how much time the ball will take in one revolution?

Promotional Banner

Topper's Solved these Questions

  • System of particles & rotational Motion

    SL ARORA|Exercise EXERCISE|353 Videos

  • ROTATIONAL MOTION

    SL ARORA|Exercise Problem for self practice|90 Videos

  • Thermal Properties of Matter

    SL ARORA|Exercise Exercise|449 Videos

Similar Questions

Explore conceptually related problems

A ball tied to a string takes 4 s to complete one revoluting along a horizontal circule. If by pulling the cord, the radius of the circle is reduced to half, how much time will the ball take to complete one revolution ?

A body completes one revolution along a horizontal circle in 10 s when tied to a cord. If the radius of the circle is decreased to one-third of its original value, then what will be the time period of revolution of the body?

A satellite moves in a circle around the earth. The radius of this circle is equal to one half of the radius of the moon's orbit. The satellite completes one revolution is :

A planet takes 200 days to complete one revolution around the Sun. If the distance of the planet from Sun is reduced to one fourth of the original distance, how many days will it take to complete one revolution ?

When a ball tied to a string is swung along a vertical circle , quantity which remains constant is

A particle moving on a circular path makes 600 rpm. In how much time it will complete one revolution?

A proton takes 10^(-12)s to complete one revolution in uniform magnetic field. The time taken in another orbit of double the radius in the same field is

SL ARORA-System of particles & rotational Motion-EXERCISE
  1. An ice skater spins with arms outstretched at 1.9 rps. Her moment of i...

    Text Solution

    |

  2. If 2 kg mass is rotating on a circular path of radius 0.8 m with angul...

    Text Solution

    |

  3. A ball tied to a string takes us to complete revolution along a horizo...

    Text Solution

    |

  4. The sun rotates round itself once in 27 days. What will be period of r...

    Text Solution

    |

  5. If the earth suddenly contracts by one-fourth of its present radius, b...

    Text Solution

    |

  6. Prove that for an earth satellite, the ratio of its velocity at apogee...

    Text Solution

    |

  7. A uniform disc rotating freely about a vertical axis makes 90 rpm. A s...

    Text Solution

    |

  8. The separation between C and O atoms in CO is 1.2 A. The distance of c...

    Text Solution

    |

  9. Three masses of 2 kg, 4 kg and 4 kg are placed at the three points (1,...

    Text Solution

    |

  10. Four particles of mass 2 kg, 3kg, 4 kg and 8 kg are situated at the co...

    Text Solution

    |

  11. The centre of mass of a solid cone along the line form the center of t...

    Text Solution

    |

  12. The reduce mass of two particles having masses m and 2 m is

    Text Solution

    |

  13. Consider a sytem of two particles having masses m(1) and m(2). If the ...

    Text Solution

    |

  14. Two bodies of masses 2 kg and 4 kg are moving with velocities 2 m/s an...

    Text Solution

    |

  15. In a bicycle the radius of rear wheel is twice the radius of front whe...

    Text Solution

    |

  16. Two particles A and B initially at rest, move towards each other by mu...

    Text Solution

    |

  17. 2 bodies of different masses of 2 kg and 4 kg are moving with velociti...

    Text Solution

    |

  18. Two racing cars of masses m and 4m are moving in circles of radii r an...

    Text Solution

    |

  19. Two wheels having radii in the ratio 1 : 3 are connected by a common b...

    Text Solution

    |

  20. A disc, initially at rest, starts rotating about its own axis/ with a ...

    Text Solution

    |