Home
Class 12
PHYSICS
Toy cart tied to the end of an unstretch...

Toy cart tied to the end of an unstretched string of length a, when revolved moves in a horizontal circle of radius 2a with a time period T. Now the toy cart is speeded up until it moves in a horizontal circle of radius 3a with a period T. If Hooke's law (F=kx) holds, then

A

`T'=sqrt(3/2)T`

B

`T'=(sqrt(3)/2)T`

C

`T'=(3/2)T`

D

`T'=T`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 69

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

  • NTA NEET SET 71

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

A toy cart is tied to the end of an unstrectched string of length 'l' when revolved , the toy cart moves in horizontal circle with radius '2l' and time period T. IF it is speeded until it moves in horizontal circle of radius '3l' with period T_(1) , relation between T and T_(1) is (Hooke 's law is obeyed )

An object of mass M is tied to a string of l and revolve in a horizontal circle .If length is reduced by l//2 , then period is

A paricle of mass m is tied to a light string of length L and moving in a horizontal circle of radius r with speed v as shown. The forces acting on the particle are

A particle of mass m is moving along a circle of radius r with a time period T . Its angular momentum is

A particle of mass m is suspended from a ceiling through a string of length L. The particle moves in a horizontal circle of radius r such that r =L/(sqrt2) . The speed of particle will be :

A particle moves in a circle of radius 5 cm with constant speed and time period 0.2pis . The acceleration of the particle is

NTA MOCK TESTS-NTA NEET SET 70-PHYSICS
  1. A gun fire bullets each of mass 1 g with velocity of 10 ms ^(-1) by ex...

    Text Solution

    |

  2. A ball kept in a close box moves in the box making collisions with the...

    Text Solution

    |

  3. Toy cart tied to the end of an unstretched string of length a, when re...

    Text Solution

    |

  4. A particle is given an initial speed u inside a smooth spherical shell...

    Text Solution

    |

  5. The resistor in which maximum heat will be produced is

    Text Solution

    |

  6. If in the circuit , power dissipation is 150 W, then R is

    Text Solution

    |

  7. In a series resonant LCR circuit the voltage across R is 100 volts and...

    Text Solution

    |

  8. An equilateral triangular loop ADC having some resistance is pulled wi...

    Text Solution

    |

  9. Arrangements of charges are shown in the figure. Flux linked with the ...

    Text Solution

    |

  10. A ring of charge with radius 0.5m has 0.002 pi m gap. If the ring carr...

    Text Solution

    |

  11. Let E1 and E2 denotes gravitational field at distance r1 and r2 from t...

    Text Solution

    |

  12. The time period of a satellite of earth is 5 hours. If the separation ...

    Text Solution

    |

  13. The radiation emitted by a star A is 1000 times that of the sun. If th...

    Text Solution

    |

  14. An ideal gas is initially at temperature T and volume V. Its volume is...

    Text Solution

    |

  15. An ideal gas is heated at constant pressure and absorbs amount of heat...

    Text Solution

    |

  16. For c = 2 a and a lt b lt c , the magnetic field at the point P will ...

    Text Solution

    |

  17. A current i is uniformly distributed over the cross section of a long ...

    Text Solution

    |

  18. If a bar magnet of pole strength 'm' and magnetic moment 'M' is cut eq...

    Text Solution

    |

  19. A particle is released from rest from a tower of height 3h. The ratio ...

    Text Solution

    |

  20. Two bullets are fired simultaneously, horizontally and with different ...

    Text Solution

    |