Home
Class 12
PHYSICS
A shell is fired from a cannon with a ve...

A shell is fired from a cannon with a velocity V at an angle `theta` with the horizontal direction. A the highest point i its path, it explodes into two pieces of equal masses. One of the pieces retraces its path to the cannon. The speed of the other priece immediately after the explocison is

A

`3V cos theta`

B

`2V cos theta`

C

`(3)/(2)V cos theta`

D

`V cos theta`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • LAWS OF MOTION

    AAKASH SERIES|Exercise EXERCISE - II|136 Videos

  • LAWS OF MOTION

    AAKASH SERIES|Exercise PRACTICE EXERCISE|106 Videos

  • LAWS OF MOTION

    AAKASH SERIES|Exercise Application|6 Videos

  • GEOMETRICAL OPTICS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL-II PRACTICE SHEET (ADVANCED) INTEGER TYPE QUESTIONS)|10 Videos

  • LOGIC GATES

    AAKASH SERIES|Exercise Exercise (Very Short Answer)|10 Videos

Similar Questions

Explore conceptually related problems

A projectile is fired with velocity. v_0 at an angle 60^@ with horizontal . At top of its trajectory it explodes into two fragments of equal mass. If one fragment retraces the path then the speed of the other fragment is

A particle is projected from a point P with a velocity v at an angle theta with horizontal. At a certain point Q it moves at right angles to its initial direction. Then

A particle is projected from a point P with a velocity v at an angle theta with horizontal. At a certain point Q it moves at right angles to its initial direction. Then

A shell is fired from a cannon with a speed of 100 m//s at an angle 30^(@) with the vertical ( y -direction). At the highest point of its trajectory, the shell explodes into two fragments of masses in the ratio 1:2 . The lighter fragment moves vertically upwards with an initial speed of 200 m//s . What is the speed of the heavier fragment at the time of explosion?

A particle of mass m is projected with a velocity v at an angle of theta with horizontal. The angular momentum of the particle at the highest point of its trajectory is equal to :

A bomb is fired from a cannon with a velocity of 1000 ms^(-1) making an angle of 30^(@) with the horizontal (g = 9.8 m//s^(2)). What is the total time of its motion ?

A projectile is fired from a gun at an angle of 45^@ with the horizontal and with a speed of 20m//s relative to ground. At the highest point in its flight the projectile explodes into two fragments of equal masses. One fragement, whose initial speed is zero falls vertically. How far from the gun does the other fragment land, assuming a level terrain? Take g=10m//s^2 ?

A projectile is fired with velocity v_(0) at angle 60^(@) with horizontal. At top os its trajectory it explodes into three fragments of equal masses. First fragment retraces the path, second moves vertically upwards with speed (3v_(0))/(2) . Speed of the third fragment is

A cannon ball is fired with a velocity 200m / sec at an angle of 60° with the horizontal. At the highest point of its flight it explodes into 3 equal fragments, one going vertically upwards with a velocity 100 m / sec , the second one falling vertically downwards with a velocity 100 m / sec . The third fragment will be moving with a velocity

A projectile has a maximum range of 16 km. At the highest point of its motion, it explodes into two equal masses. One mass drops vertically downward. The horizontal distance covered by the other mass from the time of explosion

AAKASH SERIES-LAWS OF MOTION-EXERCISE - I
  1. Internal forces can change

    Text Solution

    |

  2. A nucleus moving with velocity bar(v) emits an alpha-particle. Let the...

    Text Solution

    |

  3. A shell is fired from a cannon with a velocity V at an angle theta wit...

    Text Solution

    |

  4. A block moving in air breaks in two parts and the parts separate

    Text Solution

    |

  5. A ball with initial momentum P collides with rigid wall elastically. I...

    Text Solution

    |

  6. A body is projected vertically upwards. Its momentum is gradually decr...

    Text Solution

    |

  7. Assertion: A rocket moves forward by pushing the surrounding air backw...

    Text Solution

    |

  8. A ball falls towards the earth. Which of the following is correct?

    Text Solution

    |

  9. A man is standing in the middle of a perfectly smooth 'island of ice' ...

    Text Solution

    |

  10. A block of weight W is suspended from the mid-point of a rope whose en...

    Text Solution

    |

  11. Figure shows a heavy block kept on a frictionless surface and being pu...

    Text Solution

    |

  12. A body of weight w1 is suspended from the ceiling of a room through a...

    Text Solution

    |

  13. The apparent weight of a body

    Text Solution

    |

  14. The apparent weight of a freely falling body is

    Text Solution

    |

  15. A lift is ascending with a constnat speed V. A passenger in the lift d...

    Text Solution

    |

  16. A block of mass m can slide on a smooth inclined plane of inclination ...

    Text Solution

    |

  17. An elevator is moving vertically upward with an acceleration of g . Th...

    Text Solution

    |

  18. A lift is going up with uniform velocity. When brakes are applied, it...

    Text Solution

    |

  19. If the tension in the cable supporting an elevator is equal to the wei...

    Text Solution

    |

  20. A relerence frame atteched to the Earth

    Text Solution

    |