Home
Class 11
PHYSICS
A stone is tied to one end of a steing a...

A stone is tied to one end of a steing and rotated in horizontal circle with a uniform angular velocity. The tension in the string is T, if the lrngth of the string is halved and its angular velocity is doubled , the tension in the string will be

A

14 cycles/min

B

10 cycles/min

C

2.25 cycles/min

D

7 cycles/min

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Laws of Motion

    SL ARORA|Exercise Exercise|627 Videos

  • Kinetic Theory of gases

    SL ARORA|Exercise Example|47 Videos

  • LAWS OF MOTION : FRICTION

    SL ARORA|Exercise Self Practice|95 Videos

Similar Questions

Explore conceptually related problems

Stone of mass 1 kg tied to the end of a string of length 1m , is whirled in horizontal circle with a uniform angular velocity 2 rad s^(-1) . The tension of the string is (in newton)

A stone is tied to one end of a string and rotated in a vertical circle . What is the difference in tensions of the string at lowest and highest points of the vertical circle ?

A small steel shphere tied at the end of a string is whirled in a horizontal circle with uniform angular velocity omega the string is suddently pulled so that the radius of the circle is halved .If omega_(2) is the angular velocity then

IF a stone is tied to one end of the string and whirled in verticle circle, then the tension in the string at the lowest point is equal to

A stone of mass 50 g is tied to the end of a string 2 m long and is set into rotation in a horizontal circle with a uniforn speed of 2m//s .Then tension in the string is

A stone is tied to the end of a string of length 1 and whirled in a horizental circle. When the string breaks then stone

A mass is supported on a frictionless horizontal surface. It Is attached to a string and rotates about a fixed center at an angular velocity omega_(0) .If the length of the string and angular velocity both are doubled, the tension in the string which was initially T_(0) is now

A mass attached to a string rotates about a fixed centre with an angular velocity omega in a horizontal plane ,The length of the string and the angular velocity are now doubled .IF T_(0) is the initial tension in the string , then the new tension will be

A stone is attached to one end of a string and rotated in a vertical circle . If the string breaks at the position of maximum tension , then it will break at

A stone tied to a string is rotated with a uniform speed in a vertical plane. If mass of the stone is m , the length of the string is r and linear speed of the stone is v when the stone is at its lowest point, then the tension in the string will be (g= acceleration due to gravity)

SL ARORA-Laws of Motion-Exercise
  1. A spaceman in training is rotated in a seat at the end of a horizontal...

    Text Solution

    |

  2. A small objective placed on a rotating horizontal turn table just slip...

    Text Solution

    |

  3. A stone is tied to one end of a steing and rotated in horizontal circl...

    Text Solution

    |

  4. A string of length L is fixed at one end and carries a mass ...

    Text Solution

    |

  5. Two wires AC and BC are tied at C of small sphere of mass 5kg which r...

    Text Solution

    |

  6. On the centre of a frictionless table, a small hole is made, through w...

    Text Solution

    |

  7. A motor cycle racer takes a round with speed 20ms 1 in a curvature of ...

    Text Solution

    |

  8. For a car not to turn safely on a curved road

    Text Solution

    |

  9. The maximum speed with which a car driven round a curve of radius 18 m...

    Text Solution

    |

  10. A block of mass m at the end of a string is whirled round in a vertica...

    Text Solution

    |

  11. A particle is moving in a vertical circle with constant speed. The tan...

    Text Solution

    |

  12. According to special theory of relativity the only constant in all fra...

    Text Solution

    |

  13. The velocity at which the mass of a particle becomes twice of its rest...

    Text Solution

    |

  14. The velocity of body of rest mass m0 is frac(sqrt3)(2) c (where c is t...

    Text Solution

    |

  15. Which of the following statements is true ?

    Text Solution

    |

  16. For ordinary terrestrial experimants, the observer is an inertial fram...

    Text Solution

    |

  17. In non inertial frames,Newton's second law of motion is written as ...

    Text Solution

    |

  18. What is the other name for Newton's first law of motion?

    Text Solution

    |

  19. Newton's second law of motion gives us

    Text Solution

    |

  20. Two bodies of masses m and 4m are moving with equal linear momenta. Th...

    Text Solution

    |