Home
Class 11
PHYSICS
A particle is released from height H. At...

A particle is released from height `H`. At cartain height from the ground its kinetic energy is twice its gravitational potential energy. Find the height and speed of particle at that height.

A

`H/3 sqrt(2gH)/3`

B

`H/3, 2sqrt(gH)/3`

C

`(2H)/3 sqrt(2gH)/3`

D

`H/3 sqrt(2gH)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • WORK, ENERGY AND POWER

    PHYSICS GALAXY - ASHISH ARORA|Exercise unsolvedMCQ|78 Videos
  • WORK, ENERGY AND POWER

    PHYSICS GALAXY - ASHISH ARORA|Exercise unsolved|1 Videos
  • WORK, ENERGY AND POWER

    PHYSICS GALAXY - ASHISH ARORA|Exercise Discussion Question|31 Videos
  • RIGID BODIES AND ROTATIONAL MOTION

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerical|63 Videos

Similar Questions

Explore conceptually related problems

A particle is released from a height S. At certain height its kinetic energy is three times its potential energy. The height and speed of the particle at that instant are respectively

A particle is realesed from a height H from ground. At certain height its kinetic energy is three times its gravitational potential energy with respect to ground. Then choose the correct option(s). (Given 'g' is acceleration due to gravity is constant).

What is the gravitational potential energy of a body of mass m at a height h ?

If A is amplitude of a particle in SHM, its displacement from the mean position when its kinetic energy is thrice that to its potential energy

Kinetic energy of a particle on the surface is e_(0) and potential energy is -E_(0)/(2) . (a) Will the particle escape to infinity ? (b) At some height some height its kinetic energy becomes 0.6 E_(0) . What is potential energy at this height ? (c) If the particle escape to infinity , what is kinetic energy of the particle at infinity ?

A particle is released from height S from the surface of the earth. At a certain height its KE is three times its PE. The height from the surface of earth and the speed of the particle at that instant are resp.

A ball is released from certain height. It loses 50% of its kinetic energy on striking the ground. It will attain a height again equal to

PHYSICS GALAXY - ASHISH ARORA-WORK, ENERGY AND POWER-MCQ
  1. A particle is displaced from x=-6 m to x=+6 m A force F acting on the ...

    Text Solution

    |

  2. A force F acting on a body depends on its displacement S as FpropS^(-1...

    Text Solution

    |

  3. A particle is released from height H. At cartain height from the groun...

    Text Solution

    |

  4. Velocity-time graph of a particle of mass (2 kg) moving in a straight ...

    Text Solution

    |

  5. A man throws the bricks to a height of 12 m where they reach with a sp...

    Text Solution

    |

  6. A pendulum of mass 1 kg and length  = 1m is released from rest at ang...

    Text Solution

    |

  7. A bead of mass 5 kg is free to slide on the horizontal rod AB. They ar...

    Text Solution

    |

  8. The displacement of a body of mass 2 kg varies with time t as S = t^(2...

    Text Solution

    |

  9. The work done by a force vec(F)=(-6x^(3)hat(i)) N in displacing a part...

    Text Solution

    |

  10. A block is released from the top of a smooth inclined plane of inclina...

    Text Solution

    |

  11. Rain drops fall from a certain height with a terminal velocity v on th...

    Text Solution

    |

  12. A constant power P is applied to a particle of mass m. The distance tr...

    Text Solution

    |

  13. A 1.5-kg block is initially at rest on a horizontal frictionless surfa...

    Text Solution

    |

  14. The tangenital acceleration of a particle in a circular motion of radi...

    Text Solution

    |

  15. A block of mass 1 kg is attached to one end of a spring of force const...

    Text Solution

    |

  16. With what minimum speed v must a small ball should be pushed inside a ...

    Text Solution

    |

  17. A block of mass m is pulled by a constant powert P placed on a rough h...

    Text Solution

    |

  18. Two blocks of masses m(1) = 1 kg and m(2) = 2 kg are connected by a n...

    Text Solution

    |

  19. Force acting on a particle of mass m moving in straight line varies wi...

    Text Solution

    |

  20. A ball of mass m and density rho is immersed in a liquid of density 3 ...

    Text Solution

    |