Home
Class 9
PHYSICS
Calculate the work required to be done t...

Calculate the work required to be done to stop a car of 1500 kg moving at a velocity of `60 k h^-1` .

Promotional Banner

Topper's Solved these Questions

  • WORK AND ENERGY

    MODERN PUBLICATION|Exercise EXERCISE|191 Videos

  • SOUND

    MODERN PUBLICATION|Exercise EXERCISE|137 Videos

Similar Questions

Explore conceptually related problems

What will be the wavelength of a ball of mass 0.1 kg moving with a velocity of 10 ms ^(-1).

What will be the wavelength of a particle of mass 0.5 kg moving with a velocity of 10ms-1

Calculate the work done in moving a charge of 2C through a potential differerence of 5 v

Calculate the wavelength of an electron moving with a velocity of 2.05 ms-1

The de-Broglie wavelength associated with a particle of mass 10^-6 kg moving with a velocity of 10 ms^-1 , is

MODERN PUBLICATION-WORK AND ENERGY-EXERCISE
  1. Calculate the work required to be done to stop a car of 1500 kg moving...

    Text Solution

    |

  2. Does work has direction associated with it?

    Text Solution

    |

  3. For what value theta is work done maximum

    Text Solution

    |

  4. For what value theta is work done zero?

    Text Solution

    |

  5. When work is measured in J, force is measured in and displacement is ...

    Text Solution

    |

  6. A person is walking on a horizontal road and carrying a briefcase. The...

    Text Solution

    |

  7. Work done by centripetal force is zero . (T or F)

    Text Solution

    |

  8. A coolie moves on a horizontal platform with luggage on his head. The ...

    Text Solution

    |

  9. Define work. Write its formula. What is the SI unit of work? Is it a s...

    Text Solution

    |

  10. Give three situations in which a force produces displacement but still...

    Text Solution

    |

  11. A horizontal force acts on a body placed on a smooth horizontal table ...

    Text Solution

    |

  12. A horizontal force of 20 N is required to keep a body moving in a hori...

    Text Solution

    |

  13. Find the work done in lifting a 50 kg bucket a water through a vertic...

    Text Solution

    |

  14. Does kinetic energy of a body depend on the direction of motion of the...

    Text Solution

    |

  15. When you are climbing stairs, work done by the weight is positive. (T ...

    Text Solution

    |

  16. The ratio S.I unit to C.G.S. unit of work is .

    Text Solution

    |

  17. Can every force do work?

    Text Solution

    |

  18. When work is done on a body then kinetic energy of the body. (increase...

    Text Solution

    |

  19. A book falls freely from the table top. Is work done by some force dur...

    Text Solution

    |

  20. A boy sitting in a moving car possesses kinetic energy.

    Text Solution

    |

  21. If momentum of a body is doubled, the kinetic energy becomes times.

    Text Solution

    |