Home
Class 11
PHYSICS
How much energy would be needed for a bo...

How much energy would be needed for a body of mass 10 kg to escape from the earth ? Take `g= 10 m*s^(-2) and R_e=6400 km.`

Text Solution

Verified by Experts

The correct Answer is:
`6.27xx10^8j`
Promotional Banner

Topper's Solved these Questions

  • NEWTONIAN GRAVITATION AND PLANETARY MOTION

    CHHAYA PUBLICATION|Exercise PROBLEM SET -II|29 Videos

  • NEWTONIAN GRAVITATION AND PLANETARY MOTION

    CHHAYA PUBLICATION|Exercise PROBLEM SET -II (Hots Numerical Problems)|14 Videos

  • NEWTONIAN GRAVITATION AND PLANETARY MOTION

    CHHAYA PUBLICATION|Exercise EXERCISE (Short Answer Type Questions-II)|4 Videos

  • NEWTON'S LAWS OF MOTION

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|24 Videos

  • ONE - DIMENSIONAL MOTION

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|19 Videos

Similar Questions

Explore conceptually related problems

An artificial satellite is moving in a circular orbit around the earth with a speed equal to half the magnitude of escape velocity from the earth. (ii) if the satellite is stopped suddenly in its orbit and allowed to fall freely on to the earth, find the speed with which it hits the surface of the earth. Take g=9.8m*s^(-2) and R_e=6400 km .

A body of mass 10 kg is raised by 5m . What is the work done ?

A satellite of mass 250 kg is orbiting the earth at a height of 500 km above the surface of the earth. How much energy must be expended to rocket the satellite out of the gravitational influence of the earth? Mass of earth = 6 xx 10^24 kg Radius of earth = 6400km.

What will be the kinetic energy , potential energy and total energy of an artificial satellite of mass 10^5 kg situated at a height of 3400 km above the surface of the earth ? [g=9.8 m*s^(-2) , radius of the earth=6400 km]

A spaceship is stationed on Mars. How much energy must be expended on the spaceship to launch it out of the solar system ? Mass of the spaceship= 1000 kg , mass of the sun =2xx10^(30) kg , mass of Mars =6.4xx10^(23) kg , radius of Mars = 3395 km , mass of the orbit of Mars =2.28xx10^8km, G=6.67xx10^(-11) N*m^2*kg^(-2) .

Calculate the net force acting on a body of mass 10 kg moving with a uniform velocity of 2 m/s ?

What is the de broglie wavelength of a bullet of mass 0.040 kg travelling at the speed of 1.0 km.s ^(-1) ?

A body hanging from a spring stretches it by 1 cm at the earth's surface.How much will the same body stretch the spring at a place 1600 km above the earth's surface? Radius of earth =6400km.

CHHAYA PUBLICATION-NEWTONIAN GRAVITATION AND PLANETARY MOTION-PROBLEM SET -I
  1. Show that if the earth stops rotating about its axis, then the acceler...

    Text Solution

    |

  2. Choose the correct alternative : (i) Acceleration due to gravity (in...

    Text Solution

    |

  3. Choose the correct alternative : (ii) Acceleration due to gravity (i...

    Text Solution

    |

  4. Choose the correct alternative : (iii) Acceleration due to gravity i...

    Text Solution

    |

  5. Choose the correct alternative : (iv) The formula -GMm(1//r2-1//r1) ...

    Text Solution

    |

  6. If both the radius and the mean density of a planet are half the radi...

    Text Solution

    |

  7. Calculate the angular velocity of the earth for which effective accele...

    Text Solution

    |

  8. Find the percentage decrease in the weight of a body when taken 32 km...

    Text Solution

    |

  9. The density of a planet is 1/3 rd that of the earth and its radius is ...

    Text Solution

    |

  10. Determine the value of the escape velocity from the surface of the moo...

    Text Solution

    |

  11. The radius of a planet is double than that of the earth but their aver...

    Text Solution

    |

  12. How much energy would be needed for a body of mass 10 kg to escape fro...

    Text Solution

    |

  13. The planet Mercury revolves around the sun once in 88 days. If the mea...

    Text Solution

    |

  14. Two planets are revolving around a star and the ratio of their average...

    Text Solution

    |

  15. An artificial satellite revolves around the earth in a circular path ...

    Text Solution

    |

  16. Let us assume that our galaxy consists of 2.5xx10^(11) stars each of o...

    Text Solution

    |

  17. Choose the correct alternative: (i) If the zero of potential energy ...

    Text Solution

    |

  18. Choose the correct alternative: (ii) The energy required to launch a...

    Text Solution

    |

  19. A satellite of mass 1000 kg moves in a circular orbit of radius 7000 k...

    Text Solution

    |

  20. An artificial satellites is revolving at a height of 500 km above the ...

    Text Solution

    |