Home
Class 11
PHYSICS
The escape velocity for a body projected...

The escape velocity for a body projected vertically upwards is 11.2 km/s. If the body is projected in a direction making an angle 45° with vertical, the escape velocity will be,

A

`11.2/sqrt2 km/s`

B

`11.2 xx sqrt2 km/s`

C

`11.2 xx 2 km/s`

D

`11.2 km/s`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • FRICTION IS SOLIDS AND LIQUIDS

    TARGET PUBLICATION|Exercise MCQ (EVALUATION TEST)|21 Videos
  • LAWS OF MOTION

    TARGET PUBLICATION|Exercise EXERCISE|281 Videos

Similar Questions

Explore conceptually related problems

The escape velocity for a body projected vertically upwards from the surface of the earth is 11.2 km s^(-1) . If the body is projected in a direction making an angle 45^@ with the vertical, the escape velocity will be

A body is projected vertically upwards from the ground. On reaching the greatest height

The escape velocity of a body from the surface of the earth is equal to

In projectile motion, a body is projected at an angle theta with velocity u then the horizontal component of velocity will be

The escape velocity of a body from the surface of the earth is 11.2 km//s . If a satellite were to orbit close to the earth's surface, what would be its critical velocity?

The escape velocity of a body on an imaginary planet which is thrice the radius of the earth and double the mass of the earth is ( v_(e) is the escape velocity of earth)

When the particle is projected vertically upwards then theta , H and R of it respectively are

A stone is projected with velocity of 100 m/s at an angle of 60^@ with the horizontal, its maximum height is

A body is projected vertically upwards with a velocity of 10 ms^-1 and another body is projected simultaneously from the same point with a velocity of 20 m s^-1 at an angle of pi/6 with the horizontal. The distance between the two bodies after one second from the time of projection is (Acceleration due to gravity is 10 ms^-2 )

A body projected vertically upwards with a velocity of u returns to the starting point in 6 second, If g= 9,8 m s^-2 the value of 'u' is

TARGET PUBLICATION-Gravitation-Exercise
  1. A mass M is broken into two parts of masses m1 and m2. How are m1 and ...

    Text Solution

    |

  2. Suppose the gravitational force varies inversely as the n^(th) power o...

    Text Solution

    |

  3. A body is projected vertically upwards from the surface of a planet of...

    Text Solution

    |

  4. What should be the velocity of earth due to rotation about its own axi...

    Text Solution

    |

  5. For a satellite that orbits as close to the earth's surface as possibl...

    Text Solution

    |

  6. Let omega be the angular velocity of earth's rotation about the axis. ...

    Text Solution

    |

  7. Two planets have density in the ratio 2 : 3 and radii in the ratio 1 :...

    Text Solution

    |

  8. Two planets move around the Sun. The periodic times and the mean radii...

    Text Solution

    |

  9. If the value of the gravitational acceleration at the height h be 1% o...

    Text Solution

    |

  10. Two satellites are orbiting around the Earth in circular orbits of the...

    Text Solution

    |

  11. A particle of mass m is subjected to an attractive central force of ma...

    Text Solution

    |

  12. The percentage change in the acceleration of the Earth towards the Sun...

    Text Solution

    |

  13. The escape velocity for a body projected vertically upwards is 11.2 km...

    Text Solution

    |

  14. The orbital velocity of a body at height h above the surface of Earth ...

    Text Solution

    |

  15. Assuming the earth as a sphere of uniform density. the acceleration du...

    Text Solution

    |

  16. Mars has about ((1)/(10))^(th) as much mass as the Earth and half as a...

    Text Solution

    |

  17. A comet is moving around the earth in.highly elliptical orbit. Identif...

    Text Solution

    |

  18. Two particles are projected from the surface of the earth with velocit...

    Text Solution

    |

  19. Two identical solid copper spheres of radius R placed in contact with ...

    Text Solution

    |

  20. The time period of a satellite in a circular orbit of radius R is T. T...

    Text Solution

    |