Home
Class 11
PHYSICS
If the momentum of a body decreases by 3...

If the momentum of a body decreases by 30% its kinetic energy decreases by

A

0.6

B

0.51

C

0.69

D

0.9

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • WORK, POWER & ENERGY

    AAKASH SERIES|Exercise PRACTICE EXERCISE (POWER)|9 Videos
  • WORK, POWER & ENERGY

    AAKASH SERIES|Exercise PRACTICE EXERCISE (VERTICAL CIRCLE)|12 Videos
  • WORK, POWER & ENERGY

    AAKASH SERIES|Exercise PRACTICE EXERCISE (WORK)|16 Videos
  • WORK POWER ENERGY

    AAKASH SERIES|Exercise EXERCISE - 3|61 Videos

Similar Questions

Explore conceptually related problems

If the kinetic energy of a body increases by 125% the percentage increase in its momentum is

The momentum of a body is doubled. By what percentage does its kinetic energy increase ?

AAKASH SERIES-WORK, POWER & ENERGY -PRACTICE EXERCISE (EMERGY)
  1. A liquid of density 0.8 gm/c.c is flowing through a pipe. If the kinet...

    Text Solution

    |

  2. When a spring is compressed by a distance .x., the potential energy st...

    Text Solution

    |

  3. If the momentum of a body decreases by 30% its kinetic energy decrease...

    Text Solution

    |

  4. If the mass of a moving body is decreased by one - third of its initia...

    Text Solution

    |

  5. A body of mass .m. dropped from a height .h. reaches the ground with ...

    Text Solution

    |

  6. A bullet of mass 10 gm moving with a velocity .u. penetrates 4 cm in t...

    Text Solution

    |

  7. A body of mass 20 kg is moving along a straight line with a linear mo...

    Text Solution

    |

  8. The energy required to accelerate a body from 30ms^(-1) to 60 ms^(-1) ...

    Text Solution

    |

  9. A simple pendulum of length 20 cm and of mass 0.1 kg is pulled to one ...

    Text Solution

    |

  10. A body is projected at an angle 30^(@) with a kinetic energy of 80J. T...

    Text Solution

    |

  11. A ball is released from a height of 10 m. If it loses 20% of its energ...

    Text Solution

    |

  12. A car moving with a velocity of 72 KMPH stops its engine just at the f...

    Text Solution

    |

  13. A force of 100 acts on a body of mass 5 kg at rest for 4s. If te body ...

    Text Solution

    |

  14. A simple pendulum is swinging in vertical plane. The ratio of its pote...

    Text Solution

    |

  15. A block of mass 1 kg is dropped on a spring from a height of 20 cm. I...

    Text Solution

    |

  16. A simple pendulum is swinging in a vertical plane. Its highest point a...

    Text Solution

    |

  17. Two force 10 N each inclined to each other at angle 120^(@) act on a 6...

    Text Solution

    |

  18. If two bodies of masses 3 gm and 5 gm are moving with linear momenta ...

    Text Solution

    |

  19. If the momentum of a body moving with constant velocity is four times ...

    Text Solution

    |

  20. A car without passengers moving with a constant velocity can be stopp...

    Text Solution

    |