Home
Class 11
PHYSICS
A block moving in air breaks into two pa...

A block moving in air breaks into two parts and the parts separate ? .

A

the total momentum must be conserved

B

the total kinetic energy must be conserved

C

the total momentum must change

D

the potential energy must be conserved

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NEWTONS LAWS OF MOTION

    NARAYNA|Exercise LEVEL -I (C.W)|47 Videos

  • NEWTONS LAWS OF MOTION

    NARAYNA|Exercise LEVEL -II (C.W)|71 Videos

  • NEWTONS LAWS OF MOTION

    NARAYNA|Exercise PASSAGE TYPE QUESTION|6 Videos

  • MOTION IN A STRAIGHT LINE

    NARAYNA|Exercise Level 2 H.W|29 Videos

  • OSCILLATIONS

    NARAYNA|Exercise EXERCISE - IV|41 Videos

Similar Questions

Explore conceptually related problems

A block moving in air breaks in two parts and the parts separate

A charge 'Q' is divided into two parts A and B the two parts are separated by a certain fixed distance. Find for what charges on A and B would the force between them be maximum and comment when the force is minimum.

We break 112 in two parts like that 1/12

A body is moving with a velocity v , breaks up into two equal parts. One of the part retraces back with velocity v . Then the velocity of the other part is

A space craft of mass M is travelling in space with velocity v. It then breaks up into two parts such that the smaller part m comes to the rest, then the velocity of the remaining part is-

When an organism breaks into a number of parts and each part develop into an individual, it is called :

A body of mass 300g kept at rest breaks into two parts due to internal forces. One part of mass 200g is found to move at a speed of 12 ms^-1 towards the east. What will be the velocity of the other part?

A boy and a girl play with pencil .Girl break pencil into two part .Boy find that ratio of these two part same as ratio of length of pencil and large part .Find out in the which ratio girl break pencil .

A body at rest breaks into two pieces of equal masses. The parts will move

NARAYNA-NEWTONS LAWS OF MOTION-C.U.Q
  1. A student initially at rest on a frictionless frozen pond throws a 2kg...

    Text Solution

    |

  2. A ball falls towards the earth. Which of the following is correct ? .

    Text Solution

    |

  3. A block moving in air breaks into two parts and the parts separate ? .

    Text Solution

    |

  4. Regarding linear momentum of a body (a) It is a measure of quantity ...

    Text Solution

    |

  5. Compare the impulses exerted on a wall by the two objects, a golf ball...

    Text Solution

    |

  6. Two objects X and Y are thrown unpwards simultaneously with the same s...

    Text Solution

    |

  7. A man drops an apple in the lift. He finds that the apple remains stat...

    Text Solution

    |

  8. Internal forces can change

    Text Solution

    |

  9. A man is standing on a sparing platform, Reading of spring balaance is...

    Text Solution

    |

  10. A stretching force of 10N is applied at one end of a spring balance an...

    Text Solution

    |

  11. A ball is dropped from a spacecraft revolving around the earth at a he...

    Text Solution

    |

  12. A body is under the action of three forces vecF(1),vecF(2) and vecF(3)...

    Text Solution

    |

  13. In the system in the figure m(1)gtm(2) system is held at rest by threa...

    Text Solution

    |

  14. A lift is asecending with a constnat speed ''V''. A passenger in the l...

    Text Solution

    |

  15. A reference frame attached to the earth

    Text Solution

    |

  16. A Stationary railway platform on earth is .

    Text Solution

    |

  17. A rotating platform for a stationary observer outside it is .

    Text Solution

    |

  18. The acceleration of a particle is found to be non zero when no force a...

    Text Solution

    |

  19. Frictional force between two bodies

    Text Solution

    |

  20. Maximum value of static friction is .

    Text Solution

    |