Home
Class 9
PHYSICS
An object of mass 15 kg moving with a un...

An object of mass 15 kg moving with a uniform velocity of `4ms^-1`. What is the kinetic energy possessed by the object?

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

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.

A car is moving with a velocity of 54 kmh^-1 . What is the kinetic energy of a boy of mass 40 kg sitting in the car?

A boy of mass 18 kg is running with a speed of 12 km/h. Find the kinetic energy possessed by the boy.

A body is moving with uniform velocity of 10 ms^-1 for last 10 s, what is its acceleration?

An object of mass 40 kg is raised to a height of 5 m above the ground. What is its potential energy ? If the object is allowed to fall, find its kinetic energy when it is half-way down. Take g = 10 ms ^-2 .

A body of mass 2 kg is thrown up at a velocity of 10 ms. Find the kinetic energy of the body of the time of throw. Also find the potential energy of the body at highest point.

MODERN PUBLICATION-WORK AND ENERGY-EXERCISE
  1. Define K.E. and derive the expression for K.E.

    Text Solution

    |

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

    Text Solution

    |

  3. An object of mass 15 kg moving with a uniform velocity of 4ms^-1. What...

    Text Solution

    |

  4. What is the work to be done to increase the velocity of a car form 30 ...

    Text Solution

    |

  5. Find the energy possessed by an object of mass 10 kg when it is at a h...

    Text Solution

    |

  6. A boy of mass 50 kg runs up a staricase of 45 steps in 9 s. If the hei...

    Text Solution

    |

  7. An electric bulb of 60 W is used for 6 hours per day. Calculate the un...

    Text Solution

    |

  8. A ball is dropped a height h. The velocity of the ball when it reaches...

    Text Solution

    |

  9. When a body falls freely towards the earth, then its total energy.

    Text Solution

    |

  10. A car is accelerated on a levelled road and attains a velocity 4 times...

    Text Solution

    |

  11. In case of negative work the angle between the force and displacement ...

    Text Solution

    |

  12. A girl is carrying a school bag of 3 kg mass on her back and moves 200...

    Text Solution

    |

  13. Which one of the following is not the unit of energy?

    Text Solution

    |

  14. The work done on a object does not depend upon the

    Text Solution

    |

  15. Water stored in a dam possesses

    Text Solution

    |

  16. A body is falling from a height h. After it has fallen a height h/2, i...

    Text Solution

    |

  17. Two electrodes are maintaned at a potential difference of 100 V. An e...

    Text Solution

    |

  18. A car with K.E. 100 J is moving on a horizontal road. Now 200 J work i...

    Text Solution

    |

  19. Two bodies with kinetic energy in the ratio of 4:1 are moving with equ...

    Text Solution

    |

  20. A certain household has consumed 250 units of electric energy during a...

    Text Solution

    |