Home
Class 12
PHYSICS
A body of mass m = 10 kg is attached to ...

A body of mass m = 10 kg is attached to a wire of length 0.3m. The maximum angular velocity with which it can be rotated in a horizontal circle is (Given, breaking stress of wire `= 4.8 xx 10^(7) Nm^(-2)` and area of cross-section of a wire `= 10^(-6) m^(2)`)

Text Solution

Verified by Experts

The correct Answer is:
4
Promotional Banner

Topper's Solved these Questions

  • NTA JEE MOCK TEST 32

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos

  • NTA JEE MOCK TEST 34

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos

Similar Questions

Explore conceptually related problems

A body of mass m = 0 kg is attached to a wire of length 0.3 m. Calculate the maximum angular velcoity with wicch it can be rotated in a horizontal circle (Breaking stress of wire = 4.8 x 10^(7)N//m^(2) and area of cross-section of wire = 10^(-6)m^(2) )

A body of mass 10 kg is attached to a wire 0.3 m long. Its breaking stress is 4.8xx10^(7)N//m^(2). The area of cross-section of wire is 10^(-6)m^(2). What is the maximum angular velocity with which it can be rotated in a horizontal circle?

A bob of mass 10 kg is attached to wire 0.3 m long. Its breaking stress is 4.8 xx 10^(7) N//m^(2) . The area of cross section of the wire is 10^(-6) m^(2) . The maximum angular velocity with which it can be rotated in a horizontal circle

A body of mass 1 kg is attached to one end of a wire and rotated in a horizontal circle of diameter 40 cm with a constant speed of 2m/s. What is the area of cross-section of the wire if the stress developed in the wire is 5 xx 10^(6) N//m^(2) ?

A small but heavy block of mass 10 kg is attached to a wire 0.3 m long. Its breaking stress is 4.8 xx 10^(7) N//m^(2) . The area of the cross section of the wire is 10^(-6) m^(2) . The maximum angular velocity with which the block can be rotated in the horizontal circle is

A bob of mass 10 kg is attached to a wire 0.3 m long. Its breaking stress is 4.8xx10^(7) N//m^(2) . Then area of cross-section of the wire is 10^(-6) m^(2) . What is the maximum angular velocity with which it can be rotated in a horizontal circle?

A body of mass 500 g is fastened to one end of a steel wire of length 2m and area of cross-section 2m m^(2) . If the breaking stress of the wire is 1.25 xx 10^(7) N//m^(2) , then the maximum angular velocity with which the body can be rotated in a horizontal circle is

A copper wire of negligible mass, 1 m length and cross-sectional area 10^(6) m^(2) is kept on a smooth horizontal table with one end fixed. A ball of mass 1 kg is attached to the other end. The wire and the ball are rotating with an angular velocity of 20 rad//s . If the elongation in the wire is 10^(-3) m . a. Find the Young's modulus of the wire (in terms of xx 10^(11) N//m^(2) ). b. If for the same wire as stated above, the angular velocity is increased to 100 rad//s and the wire breaks down, find the breaking stress (in terms of xx 10^(10) N//m^(2) ).

A body of mass 1 kg is fastened to one end of a steel wire of cross- section area 3 xx 10^(-6)m^(2) and is rotated in horizantal circle of radius 20 cm with a constant speed 2 m//s . Find the elongation of the wire (Y= 2 xx 10^(11) N//m^(2))

NTA MOCK TESTS-NTA JEE MOCK TEST 33-PHYSICS
  1. A 10 muF capacitor and a 20 muF capacitor are connected in series acro...

    Text Solution

    |

  2. The equivalent capacitance between A and B, where two concentric spher...

    Text Solution

    |

  3. The escape velocity from the earth is about 11 km/s. The escape veloci...

    Text Solution

    |

  4. A monatomic ideal gas sample is given heat Q. One half of this heat is...

    Text Solution

    |

  5. A particle is projected directly along a rough plane of inclination th...

    Text Solution

    |

  6. When a string is divided into three segments of lengths l(1),l(2) a...

    Text Solution

    |

  7. The magnetic field of a plane electromagnetic wave is given by: vec(B)...

    Text Solution

    |

  8. U - tube moves with a constant speed parallel to the surface of a sta...

    Text Solution

    |

  9. The figure shows an overhead view of a corridor with a plane mirror MN...

    Text Solution

    |

  10. A solid spherical ball of mass m is released from the topmost point of...

    Text Solution

    |

  11. A diode AM detector with the output circuit consisting of R=1 kOmega a...

    Text Solution

    |

  12. A working transitor with its three legs marked P, Q and R is tested us...

    Text Solution

    |

  13. In an energy recycling process, X g of steam at 100^(@)C becomes water...

    Text Solution

    |

  14. In a simple pendulum experiment for determination of acceleration due ...

    Text Solution

    |

  15. A stationary wave of amplitude A is generated between the two fixed en...

    Text Solution

    |

  16. A solid cylinder is kept on one edge of a plank of same mass and lengt...

    Text Solution

    |

  17. The circuit shown in fig 5.230 contains three resistors R1 =100Omega,...

    Text Solution

    |

  18. The magnetic field induction at the centre of a current - carrying cir...

    Text Solution

    |

  19. A body of mass m = 10 kg is attached to a wire of length 0.3m. The max...

    Text Solution

    |

  20. A beam of light consists of two wavelengths, 6300Å and 5600Å. This bea...

    Text Solution

    |