Home
Class 11
PHYSICS
A 20 kg cart, with a boy of mass 60 kg r...

A 20 kg cart, with a boy of mass 60 kg riding it, is moving with a speed of `2ms^(-1)`. The boy jumps off the cart. What is the change in speed of the cart, if moving with twice the initial speed of the cart in same direction ?

Promotional Banner

Topper's Solved these Questions

  • Fluid Flow

    MODERN PUBLICATION|Exercise Exercise|20 Videos

  • Friction

    MODERN PUBLICATION|Exercise Exercise|74 Videos

Similar Questions

Explore conceptually related problems

A cricket catches a ball of mass 150 g in 0.1 s moving with a speed of 20 ms^-1 . Then the experiences a foce of

What is de-Broglie waveelngth of a 3 kg object moveing with a speed of 2 m s^(-1) ?

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

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

A tennis ball of mass 6.0 (10 *-2) kg is moving with a speed of 62ms-1 . Calculate the wavelength associated with this moving tennis ball.

A car is moving with a speed of 54 km//h . What will be the kinetic energy of the boy of mass 40 kg sitting in the car ?

A ball of mass 0.5 kg slows down from a speed of 5ms^-1 to 3ms^-1 , calculate the change in the kinetic energy of the ball.

A bullet of mass 20 g moving with a speed of 500ms^(-1 ) strikes a wooden block of mass 1 kg and gets embedded in it. Find the speed with which block moves along with the bullet.

A boy is running towards a plane mirror with a speed of 2 m s^(-1) .With what speed the image of the boy approach him?

What is the de-Broglie wavelength of a ball of mass 0.060 kg moving at a speed of 1.0 m/s.

MODERN PUBLICATION-Force-Exercise
  1. A batsman deflects a ball by an angle of 45^@ without changing its ini...

    Text Solution

    |

  2. A body of mass 100 kg stands on a spring weighing amchine inside a lif...

    Text Solution

    |

  3. A woman weighing 50 kgf stands on a weighing machine placed in a lift....

    Text Solution

    |

  4. A woman weighing 50 kgf stands on a weighing machine placed in a lift....

    Text Solution

    |

  5. An elevator weighing 5000 kgf is moving upward and tension in the supp...

    Text Solution

    |

  6. A gun weighing 10 kg fires a bullet of 50 g with a velocity of 500ms^(...

    Text Solution

    |

  7. A shell of mass 10 kg moving with a velocity of 20 ms^(-1) explodes in...

    Text Solution

    |

  8. Two bodies of mass 2 kg nd 3 kg are connected to the ends of a string ...

    Text Solution

    |

  9. Two bodies of mass 2 kg nd 3 kg are connected to the ends of a string ...

    Text Solution

    |

  10. A light string passing over a smooth light pulley connects two blocks ...

    Text Solution

    |

  11. A block of mass 0.8 kg is dragged along a level surface at constant ve...

    Text Solution

    |

  12. A wooden block weighing 200 g is attached to a hanger weighing 45 g wi...

    Text Solution

    |

  13. Three identical blocks of masses m=2kg are drawn by a force F=10.2N wi...

    Text Solution

    |

  14. A lift is moving down with an acceleration of 3ms^(-2). A ball is rele...

    Text Solution

    |

  15. A 20 kg cart, with a boy of mass 60 kg riding it, is moving with a spe...

    Text Solution

    |

  16. A 20 kg cart, with a boy of mass 60 kg riding it, is moving with a spe...

    Text Solution

    |

  17. A 20 kg cart, with a boy of mass 60 kg riding it, is moving with a spe...

    Text Solution

    |

  18. Three blocks of masses m1=10kg,m2=20kg and m3=30kg are connected by st...

    Text Solution

    |

  19. A wooden block of mass 0.01 kg is dropped from the top of a cliff 100 ...

    Text Solution

    |

  20. A wooden block of mass 0.01 kg is dropped from the top of a cliff 100 ...

    Text Solution

    |