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What are the conditions under which a ro...

What are the conditions under which a rocket, fired from the earth, launches an artificial satellite of the earth?

Text Solution

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Following are the basic condition.
a. The rocket must take the satellite to a suitable height above surface of earth.
b. From the desired height, the satellite must be projected with a suitable speed, called the orbital speed.
c. In the orbital path of satellite, the air resistance should be negligible so that its speed does not decrease and it does not burn due to the near produced.
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Knowledge Check

  • 1st artificial satellite to go round the earth ?

    A
    Sputnik-I
    B
    Apollo -II
    C
    Aryabhatta
    D
    Rohini

  • Which one of the following statements regarding artificial satellite of the earth is incorrect

    A
    The orbital velocity depends on the mass of the satellite
    B
    A minimum velocity of 8 km / sec is required by a satellite to orbit quite close to the earth
    C
    The period of revolution is large if the radius of its orbit is large
    D
    The height of a geostationary satellite is about 36000 km from earth

  • The weight of an astronaut, in an artificial satellite revolving around the earth, is

    A
    Zero
    B
    Equal to that on the earth
    C
    More than that on the earth
    D
    Less than that on the earth

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