Home
Class 11
PHYSICS
A packet is released from a balloon whic...

A packet is released from a balloon which is moving upward when the balloon is at a height 200 m above ground. The packet reaches the ground in 8 sec. Speed of the balloon when the packet is released, is: (Take `g = 10 m//s^(2)`)

A

18 m/s

B

15 m/s

C

12 m/s

D

9 m/s

Text Solution

Verified by Experts

The correct Answer is:
B
`-200 = u xx 8 - (1)/(2) xx 10 xx (8)^(2)`
Promotional Banner

Topper's Solved these Questions

  • MOTION IN A STRAIGHT LINE

    GRB PUBLICATION|Exercise More than one choice is correct|16 Videos

  • MOTION IN A STRAIGHT LINE

    GRB PUBLICATION|Exercise Assertion Reason|12 Videos

  • MOTION IN A STRAIGHT LINE

    GRB PUBLICATION|Exercise Problems and Practice|16 Videos

  • FRICTION AND CIRCULAR MOTION

    GRB PUBLICATION|Exercise Comprehension type|11 Videos

  • MOTION IN TWO AND THREE DIMENSIONS

    GRB PUBLICATION|Exercise All Questions|210 Videos

Similar Questions

Explore conceptually related problems

A packet is dropped from a balloon that is moving upward when the balloon is at a height 60 m above ground. If the speed of the balloon at the moment of release of packet is 5 m/s, time taken by the packet to reach ground will be: (Take g = 10 m//s^(2) )

A packet is dropped from a balloon which is going upwards with the velocity 12m//s . The velocity of the packet after 2 seconds will be

A ballon is moving vertically up with a velocity 4 m/s. When it is at a height h , a body is gently released from it. If it reaches ground in 4 sec, the height of balloon, when the body is released, is: (Take g = 9.8 m//s^(2) )

A stone is dropped from a rising balloon at a height of 76 m above the ground and reaches the ground in 6s. What was the velocity of the balloon when the stone was dropped?

A stone is dropped from a balloon rising upwards with a velocity of 16 ms^(-1) . The stone reaches the ground in 4 s. Calculate the height of the balloon when the stone was dropped.

A body is dropped from a balloon moving up with a velocity of 4 m//s , when the balloon is at a height of 120 m from the ground. The height of the body after 5 s from the ground is:

balloon is rising vertically up with a velocity of 29 m/s. A stone is dropped from it and it reaches the ground in 10 seconds. The height of the balloon when the stone was dropped from it is (g = 9.8 m/s^2)

A balloon is moving upwards with velocity 10m//s . It releases a stone which comes down to the ground in 11s . The height of the balloon from the ground at the moment when the stone was dropped is (g=10m//s^(2))

A balloon is ascending at the rate of 14 ms^(-1) at a height of 98 m above the ground when the food packet is dropped from the balloon. After how much time and with what velocity does it reach the ground ? Take g = 9.8 ms^(-2)

GRB PUBLICATION-MOTION IN A STRAIGHT LINE-Objective question
  1. The deceleration exerienced by a moving motor blat, after its engine i...

    Text Solution

    |

  2. A train is moving towards East with a speed 20 m/s. A person is runnin...

    Text Solution

    |

  3. A packet is released from a balloon which is moving upward when the ba...

    Text Solution

    |

  4. A stone dropped from the top of a tower travels (5)/(9) th of the heig...

    Text Solution

    |

  5. Engine of a car can produce a maximum acceleration 2 m//s^(2) and its ...

    Text Solution

    |

  6. Train A and B are moving towards each other on the same track with vel...

    Text Solution

    |

  7. A ballon is moving vertically up with a velocity 4 m/s. When it is at ...

    Text Solution

    |

  8. A packet is dropped from a balloon that is moving upward when the ball...

    Text Solution

    |

  9. When a motorcyle moving with a unifrom speed 11 m/s is at a distance 2...

    Text Solution

    |

  10. In Q.107, after the car is overtaken by the motorycle, it will again o...

    Text Solution

    |

  11. An object is thrown vertically upward with a speed u(1) and it travels...

    Text Solution

    |

  12. A stone dropped form the top of a tower is found to travel (5//9) of t...

    Text Solution

    |

  13. A long horizontal belt is moving from left to right with a uniform spe...

    Text Solution

    |

  14. In Q.111, if A lies to the left of B, then :

    Text Solution

    |

  15. In Q.111, if A lies to the left of B, time taken by the insect to trav...

    Text Solution

    |

  16. An object is dropped from the top of a tower. It travels a distance 'x...

    Text Solution

    |

  17. A bus starts from rest and acceleration at a uniform rate 4 m//s^(2) f...

    Text Solution

    |

  18. Velocity time graph for the motion of a particle along a straight line...

    Text Solution

    |

  19. Average velocity of the particle for the motion

    Text Solution

    |

  20. A particle is moving such that its position vector varies with time as...

    Text Solution

    |