Home
Class 12
PHYSICS
A body of mass m is thrown from a he equ...

A body of mass m is thrown from a he equal to radius of earth (A) from earth's surface. The change in potential energy when it reaches to a height equal to 2R from earth's surface is

A

`1/6 mgR`

B

`2/3 mgR`

C

`5/6 mgR`

D

`3/2 mgR`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • MOCK TEST 7

    AAKASH INSTITUTE ENGLISH|Exercise Exercise|90 Videos
  • MOCK TEST 6

    AAKASH INSTITUTE ENGLISH|Exercise Example|365 Videos
  • MOCK TEST 8

    AAKASH INSTITUTE ENGLISH|Exercise Example|30 Videos
AAKASH INSTITUTE ENGLISH-MOCK TEST 7-Exercise
  1. 0.5 moles of an ideal monoatomic gas undergoes a thermodynamic process...

    Text Solution

    |

  2. At the height h above the earth's surface the acceleration due to grav...

    Text Solution

    |

  3. A body of mass m is thrown from a he equal to radius of earth (A) from...

    Text Solution

    |

  4. Let the sun contracts due to self-gravity and it becomes a black hole....

    Text Solution

    |

  5. If a cup of tea cools from 80°C to 72°C in 5 minutes and from 72 C to ...

    Text Solution

    |

  6. A wire of length is stretched by a force F to cause an extension x. An...

    Text Solution

    |

  7. A satellite revolves in a circular orbit at a height of 1.6 x 10^6 m ...

    Text Solution

    |

  8. The extra pressure required to decrease the volume of a liquid of Buik...

    Text Solution

    |

  9. A vertical U shaped tube of uniform cross-section contains mercury in ...

    Text Solution

    |

  10. Twenty seven similar mercury drops are falling through water with term...

    Text Solution

    |

  11. Weight of a solid is 250 g in air, 50 g in unknown liquid and 150 g in...

    Text Solution

    |

  12. A sample of 0.5 g water at 100°C and 1 atm pressure requires 270 cal h...

    Text Solution

    |

  13. The velocity - time (V - t) graph of an object of mass 2 kg is as show...

    Text Solution

    |

  14. Four forces are acting on a body as shown in figure. The magnitude of ...

    Text Solution

    |

  15. A mass m is connected to a massless rod of length l( and is free to ro...

    Text Solution

    |

  16. An object having kinetic energy of 50 J is moving with linear momentum...

    Text Solution

    |

  17. The tension in the cord connected to motor is 15000 N and mass of the ...

    Text Solution

    |

  18. A pump of power P ejects M kg water per second through a horizontal pi...

    Text Solution

    |

  19. Forces of equal magnitude of 0.5 N are acting on a square plate of sid...

    Text Solution

    |

  20. IF linear mass density a rod of length 2 m is changing with position a...

    Text Solution

    |