Home
Class 11
PHYSICS
The kinetic energy of a body becomes 4 t...

The kinetic energy of a body becomes 4 times its initial value. The new lines momentum will be

A

same as initial value

B

four times the initial value

C

twice the initial value

D

eight times the initial value

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

The kinetic energy of a body is always ____________.

The kinetic energy of a body of mass 15 kg is 30 J . What is its momentum

Define momentum of a body. Also give its units.

What will be the kinetic energy of a body when its mass is made four times and the velocity is doubled?

The kinetic energy of an object of mass 'm' moving with a velocity of 5ms^-1 is 25 J. What will be its kinetic energy when its velocity is doubled ? What will be its kinetic energy when its velocity is increased to three times.

MBD-WORK, ENERGY AND POWER-EXAMPLE
  1. The work done by a force is given by the dot product of force vecF and...

    Text Solution

    |

  2. A particle moves in the xy plane under the influence of a force. the r...

    Text Solution

    |

  3. The kinetic energy of a body becomes 4 times its initial value. The ne...

    Text Solution

    |

  4. A bullet of mass M hits a block of mass M'. The transfer of energy is ...

    Text Solution

    |

  5. One coolie takes two minutes to raise a box from platform to train. An...

    Text Solution

    |

  6. The kinetic energy acquired by a mass m after travelling a fixed dista...

    Text Solution

    |

  7. In a gravitational field, the work done in transporting mass from one ...

    Text Solution

    |

  8. The work done by the varying force in changing the angular displacemen...

    Text Solution

    |

  9. The work done by the tension T in t above process is

    Text Solution

    |

  10. Two bodies of unequal mass are moving in the same direction with equal...

    Text Solution

    |

  11. When K.E. of a body is increased by 300 %, the momentum of the body is...

    Text Solution

    |

  12. Two solid subber balls A and B having masses 0.2 and 0.4 are moving in...

    Text Solution

    |

  13. If a stone is thrown up vertically and return to ground, its potential...

    Text Solution

    |

  14. A ball is dropped from a height of 20 m and rebounds to a height of 10...

    Text Solution

    |

  15. Two masses of 1g and 9 g are moving with equal kinetic energies. The r...

    Text Solution

    |

  16. Fill in the blanks: Moon going round the earth work is done.

    Text Solution

    |

  17. Fill in the blanks: Wrk done is if a body gets displaced in a direc...

    Text Solution

    |

  18. Fill in the blanks: Unit of work in - is joule.

    Text Solution

    |

  19. Fill in the blanks: is the capacity of doing work.

    Text Solution

    |

  20. Fill in the blanks: Gravitational force is a force.

    Text Solution

    |