Home
Class 10
PHYSICS
A diwali rocket is ejecting 0.05kg of ga...

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

20 dyne

B

20 newton

C

20 kg wt

D

sufficient data not given

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • LAWS OF MOTION, FRICTION AND ARCHIMEDES' PRINCIPLE

    MCGROW HILL PUBLICATION|Exercise HIGHER ORDER THINKING QUESTIONS|34 Videos
  • HEATING AND MAGNETIC EFFECTS OF CURRENT

    MCGROW HILL PUBLICATION|Exercise HIGHER ORDER THINKING QUESTIONS|34 Videos
  • MEASUREMENT

    MCGROW HILL PUBLICATION|Exercise ELEMENTARY QUESTIONS (HIGHER ORDER THINKING QUESTIONS)|13 Videos

Similar Questions

Explore conceptually related problems

A Diwali rocket is ejecting 5 gram of gases/second at a velocity of 4m/s. What is the accelerating force acting on the rocket?

A rocket is ejecting g 50 of gases per sec at a speed of 500m//s . The accelerating force on the rocket will be

At a certant of time the mass of a roket going up vertically is 100kg. If it is ejecting 5kg of gas per second at a speed of 400m//s , the acceleration of the rocket would be ("talking" g=10m//s^(2))

A 2000 kg rocket in free space expels 0.5 kg of gas per second at exhaust velocity "400 m s"^(-1) for 5 s. The increase in the speed of the rocket in this time is

A rocket burns 0.5 kg of fuel per second ejecting it as gases with a velocity of 1600 m//s relative to the rocket . How much force is exerted on the rocket ? Also , calculate the velocity attainted by the rocket , when its mass reduces to (1)/(200) th of its initial mass .

If M is mass of rocket, r is rate of ejection of gases and u is velocity of gases with respect to rocket then acceleration of the rocket dv/dt is equal to

A rocket of mass 1000 kg exhausts gases at a rate of 4 kg /sec with a velocity 3000 m//s . The thrust developed on the rocket is

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

MCGROW HILL PUBLICATION-LAWS OF MOTION, FRICTION AND ARCHIMEDES' PRINCIPLE-HIGHER ORDER THINKING QUESTIONS
  1. A diwali rocket is ejecting 0.05kg of gases per second at a velocity o...

    Text Solution

    |

  2. A car travelling at a speed of 30 km/hour is brought to a halt in 8 m ...

    Text Solution

    |

  3. A body of mass 1 kg moving on a horizontal surface with an initial vel...

    Text Solution

    |

  4. The average force necessary to stop a hammer with 50 NS momentum in 0....

    Text Solution

    |

  5. Two trains A and B are running in the same direction on the parallel r...

    Text Solution

    |

  6. A body of mass 10 kg is acted upon by a net force F which varies with...

    Text Solution

    |

  7. A machine gun has a mass 4 kg. It fires 50 gram bullets at the rate of...

    Text Solution

    |

  8. A truck is loaded with 10^(3) kg of iron and another identical truck i...

    Text Solution

    |

  9. A particle of mass M strikes a wall at an angle of incidence 60^(@) wi...

    Text Solution

    |

  10. The ratio of SI to cgs units of force is

    Text Solution

    |

  11. A metal ball and a rubber ball , both having the same mass , strike a ...

    Text Solution

    |

  12. A man of weight mg is moving up in a rocket with acceleration 4 g . Th...

    Text Solution

    |

  13. A thief stole a box full of valuable articles of weight W and while ca...

    Text Solution

    |

  14. A bullet of mass m is fired at angle theta with the vertical. The bull...

    Text Solution

    |

  15. A ballon has 2 g of air . A small hole is pierced into it . The air c...

    Text Solution

    |

  16. A body of mass 2kg collides with a wall with speed 100 m/s and reboun...

    Text Solution

    |

  17. In a rocket of mass 1000 kg fuel is consumed at a rate of 40 kg/s . Th...

    Text Solution

    |

  18. Action and reaction

    Text Solution

    |

  19. A body is in translatory equilibium if:

    Text Solution

    |

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

    Text Solution

    |

  21. A scooter of mass 150 kg is moving with a uniform velocity of 108 km/h...

    Text Solution

    |