Home
Class 11
PHYSICS
A particle of mass 1 kg is whirled unifo...

A particle of mass 1 kg is whirled uniformly at the end of a string 2 m long.If the string makes 3 revolutins in 1.2 sec., find the tension in the string.

Promotional Banner

Topper's Solved these Questions

  • LAWS OF MOTION

    JBD PUBLICATION|Exercise EXAMPLE|168 Videos
  • KINEMATICS

    JBD PUBLICATION|Exercise EXAMPLE|163 Videos
  • Mock test paper 1

    JBD PUBLICATION|Exercise EXERCISE|37 Videos

Similar Questions

Explore conceptually related problems

A body of mass 0.8 kg is whirled uniformlyt at the end of a string 2 m long.If teh string makes 3 revolutins in 1.5 sec,calculate the tension in the string.

A particle of mass 14 g attached to a string of 70 cm long is rotated in horizontal circle. If the period of revolution is 2 sec, find the tension in the string.

A ball of 0.03 m diameter and 0.3 kg in weight is attached to the end of a thin string of 0.46 m length. If it is rotate uniformly in a horizontal circle at the rate of 15 revolutions per second, what is the tension in the string? Take pi^2 = 9.87 ).

A body weighing 0.4 kg is whirled in a vertical circle making 2 revolutions per second .If the radius of the circole is 1.2m,fing the tension in the sting when the body is (a) at thge top of the circle .(b) at the bottom of the circle.

A stone tied to the end of a string 80 cnr long is whirled in a horizontal circle with a constant speed. If the stone makes 14 revolutions in 25 s, what is the magnitude and direction of acceleration of the stone ?

A stone of mass 0.25 kg tied to the end of a string is whirled round in a circle of radius 1.5 m with a speed of 40 rev.//min in a horizontal plane. What is the tension in the string ? What is the maximum speed with which the stone can be whirled around if the string can withstand a maximum tension of 200 N ?

A particle of mass 150 g is attached to one end of a massless inextensible string It is made to describe a vertical circle of radius 1 m When the string is making an angle of 48.2^(@) with the vertical , its instantaneous speed is 2 m//s What is the tension in the string in this position ? Would this particle be able to complte its circular path?(Take g=10 m s^(-2) ).

A bob of mass 0.1 kg hung from the ceiling of a room by a string 2 m long is set into oscillation. The speed of the bob at its mean position is 1 m s^-2 . What is the trajectory of the bob if the string is cut when the bob is:- at its mean position.

A bob of mass 0.1 kg hung from the ceiling of a room by a string 2 m long is set into oscillation. The speed of the bob at its mean position is 1 m s^-1 . What is the trajectory of the bob if the string is cut when the bob is:- at one of its extreme positions,

JBD PUBLICATION-LAWS OF MOTION-EXAMPLE
  1. A particle of mass 14 g attached to a string of 70 cm long is rotated...

    Text Solution

    |

  2. A ball of 0.03 m diameter and 0.3 kg in weight is attached to the end ...

    Text Solution

    |

  3. A particle of mass 1 kg is whirled uniformly at the end of a string 2 ...

    Text Solution

    |

  4. A ball weighing 5 kg is being rotated by means of a cord 2 m long.if i...

    Text Solution

    |

  5. An aeroplane travelling at a speed of 500 km h^-1 banks at an angle of...

    Text Solution

    |

  6. An aircraft executes a horizontal loop at a speed of 720 km//h with it...

    Text Solution

    |

  7. The radius of curvature of a railway line at a place is 40000m.the tra...

    Text Solution

    |

  8. A cyclist goes round a circular path of radius 20.0 m with a speed of ...

    Text Solution

    |

  9. A cyclist going at a speed of 24 km h^-1,takes a turn of 6.70 m radius...

    Text Solution

    |

  10. A cyclist goes round a circular path of radius 20.0 m with a speed of ...

    Text Solution

    |

  11. What is the relation between coefficient of friction and angle of repo...

    Text Solution

    |

  12. Why is limiting friction greater than kinetic friction?

    Text Solution

    |

  13. What are the methods of reducing friction?/

    Text Solution

    |

  14. The angle of friction betwen two surfaces is 30^@ ,what is coefficien...

    Text Solution

    |

  15. Arrange mus, muk and mur in descending order.

    Text Solution

    |

  16. Prove: the impulse: momentum theorem.

    Text Solution

    |

  17. A bullet of mass 0.04 kg moving with a speed of 90 ms^-1 enters a heav...

    Text Solution

    |

  18. A batsman hits back a ball straight in the direction of the bowler wit...

    Text Solution

    |

  19. Three equal weights of mass 2 kg each are hangning os string passing o...

    Text Solution

    |

  20. Two bodies of masses m1 and m2 are connected byh a ight string passing...

    Text Solution

    |