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As you have learnt in the text, a geosta...

As you have learnt in the text, a geostationary satellite orbits the earth at a height of nearly 36,000 km from the surface of the earth. What is the potential due to earth’s gravity at the site of this satellite ? (Take the potential energy at infinity to be zero). Mass of the earth `= 6.0 xx 10^(24) kg." radius" = 6400`km .

Text Solution

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`-9.4 xx 10^(6)` J/kg
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Knowledge Check

  • A body of mass m is taken from the Earth's surface to a height equal to the radius R of the earth. If g is the acceleration to gravity at the surface of the Earth, then find the change in the potential energy of the body .......

    A
    `1/4mgR`
    B
    `1/2`mgR
    C
    mgR
    D
    2mgR

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