Home
Class 12
PHYSICS
A bomb at rest explodes. The centre of ...

A bomb at rest explodes. The centre of mass

A

Moves along a parabolic path

B

Moves along an elliptical path

C

Moves along a straight line

D

Remains at rest

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section - B) Objective Type Questions (One option is correct)|60 Videos

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section - C) Objective Type Questions (More than one option are correct)|29 Videos

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH INSTITUTE ENGLISH|Exercise Illustration|4 Videos

  • SEMICONDUCTOR ELECTRONICS: MATERIALS, DEVICES AND SIMPLE CIRCUITS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section-D (Assertion and reason))|5 Videos

  • TEST 1

    AAKASH INSTITUTE ENGLISH|Exercise EXERCISE|21 Videos

Similar Questions

Explore conceptually related problems

The centre of mass of a body

A bomb at rest explodes into two parts of masses m_(1) and m_(2) . If the momentums of the two parts be P_(1) and P_(2) , then their kinetic energies will be in the ratio of:

A bomb at rest explodes into three parts of the same mass the momenta of the two parts are - 2 p hati and p hat j The momentum of the third part will have a magnitude of :

A bomb at rest explodes into three parts of the same mass. The momentum of the two parts are xhat(i) and -2 x hat(j) . The momentum of the third part will have a magnitude of

A bomb of mass 5m at rest explodes into three parts of masses 2m , 2m and m . After explosion, the equal parts move at right angles with speed v each. Find speed of the third part and total energy released during explosion.

A 12 kg bomb at rest explodes into two pieces of 4 kg and 8 kg. If the momentum of 4 kg piece is 20 Ns, the kinetic energy of the 8 kg piece is

A bomb, initially at rest, explodes into several pieces. (a) Is linear momentum of the system conserved? (b) Is kinetic energy of the system conserved? Explain.

A bomb traveling in a parabolic path under the effect of gravity, explodes in mid air. The center of mass of fragments will :

A bomb initially at rest explodes by it self into three equal mass fragments. The velocities of two fragments are ( 3 hati + 2 hatj ) m/s and (–hati – 4 hatj ) m/s. The velocity of the third fragment is (in m/s)-

A shell following a parabolic path explodes somewhere in its flight. The centre of mass of fragements will move in

AAKASH INSTITUTE ENGLISH-SYSTEM OF PARTICLES AND ROTATIONAL MOTION-Assignment (Section - A) Objective Type Questions (One option is correct)
  1. The angular velocity of a body is vecomega=3hati+5hatj+6hatk("radian"/...

    Text Solution

    |

  2. When a solid cylinder rolls without slipping the ratio of kinetic ener...

    Text Solution

    |

  3. The torque required to stop a wheel having moment of inertia 5xx10^(-3...

    Text Solution

    |

  4. The position vector of a point is (3hati-2hatj+6hatk)m. The i^(th) com...

    Text Solution

    |

  5. A particle performing uniform circular motion gas angular momentum L. ...

    Text Solution

    |

  6. A thin wire of length l and mass m is bent in the form of a semicircle...

    Text Solution

    |

  7. A constant torque acting on a uniform circular wheel changes its angul...

    Text Solution

    |

  8. Which of the following is correct ? (symbols have their ususal meaning...

    Text Solution

    |

  9. A dancer on ice spins faster when she folds her arms due to

    Text Solution

    |

  10. A solid sphere of radius r and mass m rotates about an axis passing th...

    Text Solution

    |

  11. The moment of inertia of a solid cylinder of density rho, radius of ba...

    Text Solution

    |

  12. A person sitting firmly over a rotating stool has his arms stretched. ...

    Text Solution

    |

  13. Radius of gyration has the unit

    Text Solution

    |

  14. A bomb at rest explodes. The centre of mass

    Text Solution

    |

  15. If vecA*vecB=|vecAxxvecB|. Then angle between vecA and vecB is

    Text Solution

    |

  16. Write SI unit of angular momentum:

    Text Solution

    |

  17. If vecomega=2hati-3hatj+4hatk and vecr=2hati-3hatj+2hatk then the line...

    Text Solution

    |

  18. The moment of inertia of a body does not depend on

    Text Solution

    |

  19. A solid sphere, disc and solid cylinder all of the same mass and made ...

    Text Solution

    |

  20. A body of mass m slides down an smooth incline and reaches the bottom ...

    Text Solution

    |