Home
Class 12
PHYSICS
A balloon of mass m is descending down w...

A balloon of mass m is descending down with an acceleration How much mass should be `g/2` removed from it so that it starts moving up with same acceleration?

A

2m/3

B

m/2

C

3m

D

4/3 m

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • TEST 1

    AAKASH INSTITUTE ENGLISH|Exercise EXERCISE|21 Videos
  • TEST 3

    AAKASH INSTITUTE ENGLISH|Exercise EXAMPLE|74 Videos

Similar Questions

Explore conceptually related problems

A balloon with mass m is descending down with an acceleration a (where altg) . How much mass should be removed from it so that it starts moving up with an acceleration a?

A balloon of mass M is descending at a constant acceleration a When a mass m is released from the balloon it starts rising with the same acceleration a.(Assuming that its volume does not change),what is the value of m

A balloons of mass M is descending at a constant acceleration alpha . When a mass m is released from the balloon, it starts rising. With the same acceleration alpha . Assuming that its volumes does not change, what is the valule of m?

A balloon with its contents weighing 160 N is moving down with an acceleration of g/2 ms^(-2) . The mass to be removed from it so that the balloon moves up with an acceleration of-g/3 ms^(-2) is

A balloon of mass 10 kg is raising up with an acceleration of 20 ms^(-2) . If a mass of 4 kg is removed from the balloon its acceleration becomes ( take, g=10ms^(-2) )

A ballon of mass m is rising up with an acceleration a show that the fraction og weight of balloon that must be detached in order to double its acceleration , assuming the upthrust of air to remain the same

A block of mass 2 kg rests on an inclined plane which makes an angle of 30^(@) with the horizontal. The coefficient of friction between the block and the surface is sqrt(3//2) . (i) What force should be applied on the block so that it moves down without any acceleration ? (ii) What force should be applied on the block so that it moves up without any acceleration ? (iii) Calculate the ratio of the powers in the above two cases if the block moves with uniform speed in both the cases.

A balloon of mass M descends with an acceleration a_(0) . The mass that must be thrown out in order to give the balloon an equal upwards acceleration will be

A block of mass m slides down a rough inclined plane with an acceleration g/2

When an empty lift is moving down with an acceleration of g/4 ms^(-2) the tension in the cable is 9000N. When the lift is moving up with an acceleration of g/3 ms^(-2) the tension in the cable is

AAKASH INSTITUTE ENGLISH-TEST 2-Exercise
  1. Friction coefficient between block and inclined plane is [mu=1/sqrt(3)...

    Text Solution

    |

  2. Two blocks M1. and M2, are tied with string and kept at rough surface ...

    Text Solution

    |

  3. A balloon of mass m is descending down with an acceleration How much m...

    Text Solution

    |

  4. A rope of length L is pulled by a constant force F. What is the tensio...

    Text Solution

    |

  5. A person is standing at the floor of lift drops a coin The coin reache...

    Text Solution

    |

  6. If a monkey moves upward with respect to the rope with acceleration g/...

    Text Solution

    |

  7. If extension in the spring at equilibrium position is 6 cm then accele...

    Text Solution

    |

  8. A 80 kg man is standing on a weightless weighing machine as shown in t...

    Text Solution

    |

  9. A lift is going up with variable velocity as shown in figure if mass o...

    Text Solution

    |

  10. Which of the following waves has the longest wavelength?

    Text Solution

    |

  11. Electromagnetic wave cannot be produced by

    Text Solution

    |

  12. Which of the following statements is correct about the electromagnetic...

    Text Solution

    |

  13. An electromagnetic wave is radiated by a 100 W bulb. If efficiency of ...

    Text Solution

    |

  14. A parallel plate capacitor consist of two circular plates of area 0.04...

    Text Solution

    |

  15. The poynting vector in vaccum is represented by (where symbols have th...

    Text Solution

    |

  16. If the electric field component of an electromagnetic wave moving in p...

    Text Solution

    |

  17. Choose the correct statement about the choke coil

    Text Solution

    |

  18. In an L-C oscillation maximum charge on capacitor can be Q0 . If at an...

    Text Solution

    |

  19. A current of 2A is flowing at 220 V in the primary coil of a transform...

    Text Solution

    |

  20. In an AC circuit as shown in the figure, the source is of r.m.s voltag...

    Text Solution

    |