Home
Class 12
PHYSICS
A parachutist, after bailing out, falls ...

A parachutist, after bailing out, falls `50 m` without friction, When the parachute opens, it decelerates at `2 ms^(-2)`. He reaches the ground with a speed of `3 m s^(-1)`. At what height did he bail out?

A

91 m

B

182 m

C

293 m

D

111m

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MOTION IN A STRAIGHT LINE & PLANE

    VMC MODULES ENGLISH|Exercise EFFICIENT|50 Videos
  • MOTION IN A STRAIGHT LINE & PLANE

    VMC MODULES ENGLISH|Exercise IMPECCABLE|52 Videos
  • MOTION IN A STRAIGHT LINE & PLANE

    VMC MODULES ENGLISH|Exercise IMPECCABLE|52 Videos
  • MOCK TEST 9

    VMC MODULES ENGLISH|Exercise PHYSICS (SECTION 2)|5 Videos
  • Motion in Straight Line

    VMC MODULES ENGLISH|Exercise IN-CHAPTER EXERCISE-J|10 Videos

Similar Questions

Explore conceptually related problems

A parachutist after bailing out falls 50m without friction. When parachute opens, it decelerates at 2m//s^2 . He reaches the ground with a speed of 3m//s . At what height, did the bail out?

A parachutist after bailing out falls 52 m without friction. When the parachute opens, she decelerates at 2.1 ms^(-2) & reaches the ground with a speed of 2.9 ms^(-1) . (i) How long has been the parachutist in the air? (ii) At what height did the fall begin?

A parachutist drops freely from an aeroplane for 10 seconds before the parachute opens out.Then he descends with a net retardation of 2m//sec^(2) . His velocity whe he reaches the ground is 8m/sec.Find the height at which he get out of the aeroplane?

A ball is thrown upward with speed 10 m/s from the top to the tower reaches the ground with a speed 20 m/s. The height of the tower is [Take g=10m//s^(2) ]

A parachutist drops first freely form an areophone for 10 s and then his parachut opens out. Now he descends with a net retardtion of 2.5 ms^(-2) If the balil out of the plane at a height of 2495 m and g=10 ms^(-2) , his velocity on reaching the ground will be .

A parachutist drops freely from helicopter for 20 s before the parachute opends out. Then he descends with retardation of 40 m/s^2 . The height of the helicopter from the ground level is 2500m. When he drops out, his velocity on reaching the ground will be

A man approaches a vertical plane mirror at speed of 2 m//s. At what rate does he approach his image?

A person of mass 70kg jumps from a stationary helicopter with the parachute open. As he falls through 50m height, he gains a speed of 20ms^-1 . The work done by the viscous air drag is

A drop of mass 2.0 g falls from a cliff of height 1.0 km It hits the ground with a speed of 50.0 ms^(-1). The work done by the resistive force is

A particle of mass 2m is dropped from a height 80 m above the ground. At the same time another particle of mass m is thrown vertically upwards from the ground with a speed of 40 m/s. If they collide head-on completely inelastically, the time taken for the combined mass to reach the ground, in units of second is:

VMC MODULES ENGLISH-MOTION IN A STRAIGHT LINE & PLANE -ENABLE
  1. If a body looses half of its velocity on penetrating 3 cm in a wooden ...

    Text Solution

    |

  2. A boy playing on the roof of a 10 m high building throws a ball with a...

    Text Solution

    |

  3. A parachutist, after bailing out, falls 50 m without friction, When th...

    Text Solution

    |

  4. A particle has an initial velocity of 4 hati +3 hatj and an accelerati...

    Text Solution

    |

  5. A projectile is given an initial velocity of (hati+2hatj) m//s, where ...

    Text Solution

    |

  6. A bullet is fired from a gun eith a speed of 1000m/s on order to hit t...

    Text Solution

    |

  7. From a tower of height H, a particle is thrown vertically upwards with...

    Text Solution

    |

  8. A bullet losses 1/n of its velocity in passing through a plank. What i...

    Text Solution

    |

  9. The relation between time t and distance x t= ax^(2) +bx is , where a...

    Text Solution

    |

  10. If acceleration a(t) = 3t^(2) and initial velocity u=0 m/s , then the ...

    Text Solution

    |

  11. The velocity of any particle is related with its displacement As, x = ...

    Text Solution

    |

  12. A particle moves in a straight line with retardation proportional to i...

    Text Solution

    |

  13. An object moving with a speed of 6.25 m//s is declerated at a rate g...

    Text Solution

    |

  14. A particle falls from a height h and rebounds to a height h (1) ( h (1...

    Text Solution

    |

  15. The velocity-time plot for a particle moving on a straight line is sh...

    Text Solution

    |

  16. For the displacement-time graph shown in figure, the ratio of the magn...

    Text Solution

    |

  17. The displacement-time graph of a moving object is shown in figure. Whi...

    Text Solution

    |

  18. A particles starts from rest. Its acceleration (a) versus time (t) is ...

    Text Solution

    |

  19. Velocity of boat in still water is 13 m/s. If water flows ina river wi...

    Text Solution

    |

  20. The uniform motion in the following acceleration-time graph is

    Text Solution

    |