Home
Class 12
PHYSICS
An empty wagon of mass m0 is stationary ...

An empty wagon of mass m0 is stationary & is filled with sand at rate of `mu` kg/sec. from a stationary hopper ? find -
Force F as a function of time that has to be applied on wagon to maintain its all constant ?

A

`aM_(0) – 2amut`

B

`aM_(0) – amut`

C

`aM_(0) + 2amut`

D

`aM_(0) +amut`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CENTRE OF MASS

    MOTION|Exercise Exercise - 2 (Level-II)|28 Videos

  • CENTRE OF MASS

    MOTION|Exercise Exercise - 3 Level-I|34 Videos

  • CENTRE OF MASS

    MOTION|Exercise Exercise - 1|71 Videos

  • Capacitance

    MOTION|Exercise EXERCISE -4 LEVEL II|19 Videos

  • CIRCULAR MOTION

    MOTION|Exercise EXERCISE - 4|16 Videos

Similar Questions

Explore conceptually related problems

An empty wagon of mass m0 is stationary & is filled with sand at rate of mu kg/sec. from a stationary hopper ? find - Force, F as function of time that has to be applied to maintain its all constant equal to v.

Find velocity of wagon as function of time when it is being filled with stationary hopper at the rate mu kg/sec. and constant force F is applied horizontally on the wagon as shown in figure. M_(0) is the mass of the wagon and initial speed of the wagon u = 0 at time t = 0.

A machine gun has a mass of 200 kg. It fires 35 g bullets at the rate of 40 bullets per sec with a speed of 400 m/s. Find the horizontal force need to be applied on the gun to keep it in fixed position ?

An empty box of mass 5kg is found to accelerate up at the rate of g/6 when a constant force vec(F) is applied on it. Howm much mass (in kg ) of sand be filled in it so that box may accelerate down at the same rate ? (g beight the acceleration due to gravity).

A constant force (F) is applied on a stationary particle of mass 'm' The velocity attained by the particle in a certain displacement will be proportional to .

A rocket expels mass at the rate of mu kg /s at the exhaust speed u . Find the instantaneous acceleration if its initial mass were M_(0) kg ?

A railroad car of length L aned mass m_(0) when empty is moving freely on a horizontal track while being loaded with sand from a stationary chute at a rate dm/dt=q. knowing that the car was approaching the chute a speed v_(0) , determine (a). The mass of the car and its load after the car has cleared the chute. (b). The speed of the car at that time.

MOTION-CENTRE OF MASS-Exercise - 2 (Level-I)
  1. A system consists of two cubes of mass m(1), and m(2) respectively con...

    Text Solution

    |

  2. The diagram shows the velocity - time graph for two masses R and S tha...

    Text Solution

    |

  3. In the figure (i), (ii) & (iii) shown the objects A, B & C are of same...

    Text Solution

    |

  4. Figure shows the velocity-time graph for two masses R and S that colli...

    Text Solution

    |

  5. In a smooth stationary cart of length d, a small block is projected al...

    Text Solution

    |

  6. A ball is projected from ground with a velocity V at an angle theta to...

    Text Solution

    |

  7. In the figure shown, the two identical balls of mass M and radius R ea...

    Text Solution

    |

  8. In the above, suppose that the smaller ball does not stop after collis...

    Text Solution

    |

  9. Which of the following does not hold when two particles of masses m(1)...

    Text Solution

    |

  10. A metal ball hits a wall and does not rebound whereas a rubber ball of...

    Text Solution

    |

  11. Before a rubber ball bounces off from the floor the ball is in contact...

    Text Solution

    |

  12. A ball of 0.1kg strikes a wall at right angle with a speed of 6 m/s an...

    Text Solution

    |

  13. A block of mass m starts from rest and slides down a frictionless semi...

    Text Solution

    |

  14. Two billiard balls undergo a head-on collision. Ball 1 is twice as hea...

    Text Solution

    |

  15. An empty wagon of mass m0 is stationary & is filled with sand at rate ...

    Text Solution

    |

  16. An empty wagon of mass m0 is stationary & is filled with sand at rate ...

    Text Solution

    |

  17. Find N of ground on chain when chain has fallen through distance x. Li...

    Text Solution

    |

  18. If rocket engine ejects fuel at the rate mu kg/s with relative velocit...

    Text Solution

    |

  19. If rocket engine ejects fuel at the rate mu kg/s with relative velocit...

    Text Solution

    |

  20. Find thrust force on hose pipe. Density of liquid is p.

    Text Solution

    |