Home
Class 11
PHYSICS
A body of mass 5 kg has linear momentum ...

A body of mass 5 kg has linear momentum of 20 kgm/s. If a constant force of 5N acts on it in the direction of its motion for 10s. The change in kinetic energy of the body is

A

320 J

B

600 J

C

200 J

D

450 J

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • WORK POWER ENERGY

    AAKASH SERIES|Exercise EXERCISE - 3|61 Videos
  • WORK POWER ENERGY

    AAKASH SERIES|Exercise EXERCISE - 1B|39 Videos
  • WORK -POWER-ENERGY

    AAKASH SERIES|Exercise PRACTICE SHEET (ADVANCED) (STRAIGHT OBJECTIVE TYPE QUESTIONS)|36 Videos
  • WORK, POWER & ENERGY

    AAKASH SERIES|Exercise PRACTICE EXERCISE (PERFECTLY INELASTIC COLLISIONS)|5 Videos

Similar Questions

Explore conceptually related problems

A body of mass 20 kg is moving along a straight line with a linear momentum of 240 kg ms^(-1) . If a constant force of 20 N acts for 5s opposite to direction of motion, the work done by the force during this time is

If the force acting on a body is inverely proportional to its speed, then the kinetic energy of the body is

AAKASH SERIES-WORK POWER ENERGY-EXERCISE - 2
  1. A particle of mass 100 g is thrown verticaly upwards with the speed of...

    Text Solution

    |

  2. A bullet of mass 10 gm hits a fixed target and penetrates through 8 cm...

    Text Solution

    |

  3. A body of mass 5 kg has linear momentum of 20 kgm/s. If a constant for...

    Text Solution

    |

  4. The ratio of energy required to accelerated a car from rest to 20ms^(-...

    Text Solution

    |

  5. A light string of length 20 cm is carrying a bob of mas 100 gm. If is ...

    Text Solution

    |

  6. A particle is projected at 60^(@) to the horizontal with a kinetic ene...

    Text Solution

    |

  7. A ball released from a height of 20m, hits the ground and rebounds to...

    Text Solution

    |

  8. A car moving with a velocity of 72 KMPH stops engine just before ascen...

    Text Solution

    |

  9. A simple pendilum is swinging in a vertical plane. The ratio of its po...

    Text Solution

    |

  10. A 2kg block is dropped from a height of 0.4 m on a spring of force con...

    Text Solution

    |

  11. A body is swinging on a swing such that his lowest and highest positio...

    Text Solution

    |

  12. A body of mass 5 kg at rest is acted upon by two mutually perpendicula...

    Text Solution

    |

  13. Two masses 10 gm and 40 gm are moving with kinetic energies in the rat...

    Text Solution

    |

  14. If the kinetic energy of a body ia fourtimes it mementum, its velocity...

    Text Solution

    |

  15. A particle of mass m is moving in a horizontal circle of radius r, und...

    Text Solution

    |

  16. A person of mass M=90 kg standing on a smooth horizontal plane of ice ...

    Text Solution

    |

  17. An athlete in the olympic games covers a distance of 100 m in 10s. His...

    Text Solution

    |

  18. The average resisting force that must act on a 5 kg mass to reduce its...

    Text Solution

    |

  19. A ball is projected vertically down with an initial velocity from a he...

    Text Solution

    |

  20. A stone is projected vertically up to reach a maximum height h. The ra...

    Text Solution

    |