Home
Class 11
PHYSICS
A shell following a parabolic path explo...

A shell following a parabolic path explodes some where in its flight. The centre of mass of fragment will continue to move in …………….

A

any direction

B

horizontal direction

C

same parabolic path

D

vertical direction

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

    KUMAR PRAKASHAN|Exercise SECTION-F QUESTIONS FROM MODULE|22 Videos
  • SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

    KUMAR PRAKASHAN|Exercise SECTION-F (SECTION-A) QUESTIONS PAPER|6 Videos
  • SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

    KUMAR PRAKASHAN|Exercise SECTION-D NCERT EXEMPLAR SOLUTIONS (LONG ANSWER TYPE QUESTIONS)|6 Videos
  • QUESTIONS ASKED IN JEE - 2020

    KUMAR PRAKASHAN|Exercise Question|16 Videos
  • THERMAL PROPERTIES OF MATTER

    KUMAR PRAKASHAN|Exercise Question Paper (Section - D) (Answer following in brief :) Each carry 4 marks|1 Videos

Similar Questions

Explore conceptually related problems

A particle of mass m is released from rest and follows a parabolic path as shown. Assuming that the displacement of the mass from the origin is small, which graph correctly depicts the position of the particle as a function of time?

Statement I: If a ball projected up obliquely from the ground breaks up into several fragments in its path, the centre of the system of all fragments moves in the same parabolic path compared to initial one till all fragments are in air. Statement II: In the situation of Statement 1, at the instant of breaking, the fragments may be thrown in different directions with different speeds.

A bus of 2500 kg is moving on a straight road with a speed of 40 km/h. A car of 1500 kg is following the bus with a speed of 80 km/h. How fast is the centre of mass of the system of two vehicles moving?

A bus of mass 2400 kg is moving on a straight road with a speed of 30 km/h. A car of mass 1600 kg is following the bus with speed of 40 km/h. How fast is the centre of mass of the system of two vehicles moving?

A thin spherical shell of total mass M and radius R is held fixed. There is a small hole in the shell. A mass m is released from rest a distance R from the hole along a line that passes through the hole and also through the centre of the shell. This mass subsequently moves under the gravitational force of the shell. How long does the mass take to travel from the hole to the point diametrically opposite.

If a gas is filled in a rest sphere, its molecules moves randomly due to the heat energy. Will the centre of mass of molecules exist?

A particle of mass 4 m which is at rest explodes into masses m, m & 2m . Two of the fragments of masses m and 2m are found to move with equal speeds v each in opposite directions. The total mechanical energy released in the process of explosion is :-

in which of the following cases the centre of mass of a rod is certainly not at its centre? (A) The density continuously increases from left ot right (B) The density continuously decreases from left to right (C) The density decreases from left to right up to the centre and then increases (D) The density increases from left to right up to the centre and then decreases Select correct alternative.

The centre of gravity of a body on the earth coincides with its centre of mass for a small object whereas for an extended object it may not. What is the qualitative meaning of small and extended in this regard? For which of the following two coincides? A building, a pond, a lake, a mountain?

In a particular double star system two stars of mass 3 xx10^(30) kg each revolve about their common centre of mass 1xx10^(11) m on away. (i). Calculate their common period of revolution (ii). Suppose that a meteoroid (small solid particle in space) passes through this centre of mass moving at right angles to the orbital plane of the stars. What must its speed be if it is to escape from the gravitational field of the double star?

KUMAR PRAKASHAN-SYSTEMS OF PARTICLES AND ROTATIONAL MOTION-SECTION-E MULTIPLE CHOICE QUESTIONS
  1. The moment of inertia of a disc of uniform density about on axis coinc...

    Text Solution

    |

  2. A wheel initially at rest acquires an angular velocity of 128 rad s^(-...

    Text Solution

    |

  3. A shell following a parabolic path explodes some where in its flight. ...

    Text Solution

    |

  4. A bus of 2500 kg is moving on a straight road with a speed of 40 km/h....

    Text Solution

    |

  5. In cricket match, a bowler throws a ball of 0.5 kg with a speed of 20 ...

    Text Solution

    |

  6. If the external force acting on a system of particle is zero then …………...

    Text Solution

    |

  7. The centre of mass of a rigid body ………… the rigid body.

    Text Solution

    |

  8. Angular momentum of the particle rotating with a centripetal force is ...

    Text Solution

    |

  9. The radius of gyration of a ring about the tangent perpendicular to it...

    Text Solution

    |

  10. Kinetic energy and angular velocity of a rigid body are E and omega re...

    Text Solution

    |

  11. A fly wheel starts rotating from rest and acquires rotational speed of...

    Text Solution

    |

  12. Two identical spheres are rolling down the slope. One is solid and oth...

    Text Solution

    |

  13. A motor is rotating at a constant angular velocity of 600 rpm. The ang...

    Text Solution

    |

  14. A solid cylinder is rolling down the inclined plane without slipping. ...

    Text Solution

    |

  15. A ball rolls without slipping. The radius of gyration of the ball abou...

    Text Solution

    |

  16. A solid cylinder of mass M and radius R rolls without slipping down an...

    Text Solution

    |

  17. A thin circular ring M and radius r is rotating about its axis with a ...

    Text Solution

    |

  18. A wheel having moment of inertia 2kgm^(2) about its vertical axis, rot...

    Text Solution

    |

  19. The ratio of the radii of gyration of a circular disc about a tangenti...

    Text Solution

    |

  20. A round disc of moment of inertia I(2) about its axis perpendicular to...

    Text Solution

    |