Home
Class 12
PHYSICS
A cracker rocket is ejecting gases at a ...

A cracker rocket is ejecting gases at a rate of 0.05 kg/s with a velocity 400 m/s. The accelerating force on the rocket is

A

22 dyne

B

20N

C

20 dyne

D

100N

Text Solution

Verified by Experts

The correct Answer is:
2
Promotional Banner

Topper's Solved these Questions

  • LAWS OF MOTION

    VMC MODULES ENGLISH|Exercise EFFICIENT|50 Videos
  • KINEMATICS OF A PARTICLE

    VMC MODULES ENGLISH|Exercise JEE Advanced (archive)|14 Videos
  • LIQUIDS

    VMC MODULES ENGLISH|Exercise JEE ADVANCED (LEVEL -2)|55 Videos

Similar Questions

Explore conceptually related problems

A diwali rocket is ejecting 0.05kg of gases per second at a velocity of 400m//sec . The accelerating force on the rocket is

A rocket of mass 5700 kg ejects mass at a constant rate of 15 kg/s withe constant speed of 12 km/s. The acceleration of the rocket 1 minute after the blast is (g=10m//s^(2))

A rocket of initial mass 6000kg ejects mass at constant rate of 200 kg/sec. with constant relative speed of 800 m/sec. The acceleration of the rocket after 5 sec is (neglect gravity)

In a rocket, fuel bums at the rate of 1 kg/s. This fuel is ejected from the rocket with a velocity of 60 km/s. This exerts a force on the rocket equal to

In a rocket, fuel burns at the rate of 2 kg/s. This fuel gets ejected from the rocket with a velocity of 80 km/s. Force exerted on the rocket is -

In a rocket, fuel burns at the rate of 2 kg/s. This fuel gets ejected from the rocket with a velocity of 80 km/s. Force exerted on the rocket is -

A rocket of mass 20000 kg is ejecting the gases at the rate of 50 kg/sec with speed of 20 m/sec in gravity free space. Find the acceleration of rocket at 2 sec.

A 0.5 kg ball moves in a circle of radius 0.4 m at a velocity of 4 m/s. The centripetal force on the ball is

A rocket of total mass 1000kg initially is launched from ground. The gases are ejected at the rate 20kg/s with velocity 1000 m/s relative to rocket vertically downwards. The initial acceleration of the rocket is a (in m//s^(2) ). Find a/g . (Take g=10 m//s^(2) )

A rocket of initial mass 6000kg ejects mass at a constant rate of 16kg//s with constant relative speed of 11m//s What is the acceleration of the rocket one mnute after blast ?

VMC MODULES ENGLISH-LAWS OF MOTION -IMPECCABLE
  1. A light spring balance hangs from the hook of the other light spring b...

    Text Solution

    |

  2. A machine gun fires n bullets per second and the mass of each bullet i...

    Text Solution

    |

  3. A cracker rocket is ejecting gases at a rate of 0.05 kg/s with a veloc...

    Text Solution

    |

  4. Three block of masses m(1),m(2) and m(3) kg are placed in contact with...

    Text Solution

    |

  5. A ball hits a vertical wall horizontal at 10 m/s bounces back at 10 m/...

    Text Solution

    |

  6. A machine gun is mounted on a 200kg vehicle on a horizontal smooth roa...

    Text Solution

    |

  7. The object at rest suddenly explodes into three parts with the mass ra...

    Text Solution

    |

  8. A body of mass 50 kg is hung by a spring balance in a lift. Calculate ...

    Text Solution

    |

  9. The x and y coordinates if the particle at any time are x=5t-2t^(2) an...

    Text Solution

    |

  10. A ball of mass 0.5 kg is moving with a velocity of 2ms^(-1). It if sub...

    Text Solution

    |

  11. A force F(1) of 500 N is required to push a car of mass 1000 kg slowly...

    Text Solution

    |

  12. A smooth block is released at rest on a 45^(@) incline and then slides...

    Text Solution

    |

  13. Two bodies of masses 4 kg and 6 kg are tied to the ends of a massless ...

    Text Solution

    |

  14. Block A of mass 2kg is placed over a block B of mass 8kg . The combina...

    Text Solution

    |

  15. An object is moving on a plane surface uniform velocity 10 ms^(-1) in ...

    Text Solution

    |

  16. A person of mass 60 kg is inside a lift of mass 940 kg and presses the...

    Text Solution

    |

  17. Two force in the ratio 1:2 act simultaneously on a particle. The resul...

    Text Solution

    |

  18. The resultant of two forces acting at an angle of 120^(@) is 10 N. If...

    Text Solution

    |

  19. The acceleration of an object moving in a circle of radius R with unif...

    Text Solution

    |

  20. A particle of mass m is projectile with veoocity u making an angle of ...

    Text Solution

    |