Home
Class 9
PHYSICS
A body of mass 30kg has a momentum of 15...

A body of mass `30kg` has a momentum of `150kg m//s`. What is the velocity?

Text Solution

Verified by Experts

Here, `m=30kg, p=150kg m//s, v=?`
From `p=mv, v=p/m=(150)/(30)=5m//s`.
Promotional Banner

Topper's Solved these Questions

  • FORCES AND LAWS OF MOTION

    PRADEEP|Exercise LONG ANSWER QUESTIONS|10 Videos
  • FORCES AND LAWS OF MOTION

    PRADEEP|Exercise VERY SHORT ANSWER QUESTIONS|29 Videos
  • FORCES AND LAWS OF MOTION

    PRADEEP|Exercise NCERT QUESTIONS|30 Videos
  • FLOTATION

    PRADEEP|Exercise Problem For Practice|6 Videos
  • GRAVITATION

    PRADEEP|Exercise Model Test paper (1)|36 Videos

Similar Questions

Explore conceptually related problems

A body of mass 25 kg has a momentum of 125 kg.m/s. Calculate the velocity of the body.

A body of mass 50kg has a momentum of 1000kgm//s . Calculate its K.E.

A gun fires a shell of mass 1.5kg with a velocity of 150m//s and recoils with a velocity of 2.5m//s . Calculate the mass of gun?

An object of 1kg mass has a momentum of 10 kg m / sec then the kinetic energy of the object will be

A body of mass 10 kg has velocities of 10 m/s, 11m/s and 12 m/s at the end of successive seconds. What is force acting on the body?

A boat of mass 40kg is at rest. A dog of mass 4kg moves in the boat with a velocity of 10m//s . What is the velocity of boat (nearly)?

The escape velocity for a body of mass 10 kg on a planet P is 11.2 km//s . What will be escape velocity at the same planet for a body of mass 20 kg ?

A boat of mass 50kg is at rest. A dog of mass 5kg moves in the boat with a velocity of 20m//s . What is the velocity of boat?

The momentum of an object is 50 kg ms^(-1) and its mass is 10 kg. What is the velocity of the object?

A system of two objects has a total momentum of (18 kg m/s) hati and its center of mass has the velocity of (3 m/s) hati . One of the objects has the mass 4 kg and velocity (1.5 m/s) hati . The mass of the other object (in kg) is _______

PRADEEP-FORCES AND LAWS OF MOTION-SHORT ANSWER QUESTIONS
  1. Why are road accidents at high speeds very much worse than accidents a...

    Text Solution

    |

  2. Calculate momentum of a toy car of mass 300g moving with a speed of 18...

    Text Solution

    |

  3. A body of mass 30kg has a momentum of 150kg m//s. What is the velocity...

    Text Solution

    |

  4. A ball is thrown vertically upwards. What is its momentum at the highe...

    Text Solution

    |

  5. What is one Newton force?

    Text Solution

    |

  6. What acceleration is produced by a force of 5N acting on a body of mas...

    Text Solution

    |

  7. An unloaded truck weighing 2000kg has a maximum acceleration of 0.4 m/...

    Text Solution

    |

  8. Why is it difficult to walk on a slippery road?

    Text Solution

    |

  9. Why does a gunman get a jerk on a firing a bullet?

    Text Solution

    |

  10. State the law of conservation of liner momentum.

    Text Solution

    |

  11. Name any two applications of the law of conservation of liner momentum...

    Text Solution

    |

  12. It is easier to push an empty box than to push the box full of books.W...

    Text Solution

    |

  13. When a car rounds a curve suddenly, the person inside is pushed outwar...

    Text Solution

    |

  14. A bullet thrown with a hand can be stopped eaisly, but it may kill a p...

    Text Solution

    |

  15. Show that kg-ms^(-1) and N-s represent the same quantity. Which is tha...

    Text Solution

    |

  16. No force is required to move a body uniformly along a straight line. C...

    Text Solution

    |

  17. A feather of mass 5g is dropped from a height. It is observed to fall ...

    Text Solution

    |

  18. What is force ? What is inertia ? How is inertia measured ?

    Text Solution

    |

  19. Explain what is meant by momentum of a body. Is it a scalar or a vecto...

    Text Solution

    |

  20. Derive the relation F=ma, where the symbols have their usual meanings.

    Text Solution

    |