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Class 12 Tuition > Learn Class XI-XII Tuition (PUC) > What is energy of satellites?
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What is energy of satellites?

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There will be two forces acting on the satellite which keep it in the orbit ..... 1) F= mv^2/r , where r = distance between satellite and cetnre of the earth. it the centripetal force acting due to rotation of satellite in circular orbit and keep it with in orbit. 2) another force is given by newtons'law...
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There will be two forces acting on the satellite which keep it in the orbit ..... 1) F= mv^2/r , where r = distance between satellite and cetnre of the earth. it the centripetal force acting due to rotation of satellite in circular orbit and keep it with in orbit. 2) another force is given by newtons'law of gravitation F= GMm/r^2. read less
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Every satellite in space requires electrical power -- power that comes from the sun. The solar panels which capture this are robust, with efficiency now reaching a formidable 29%. Over the past 40 years, Airbus Defence and Space’s experts have developed and built more than 450 flight units (generally...
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Every satellite in space requires electrical power – power that comes from the sun. The solar panels which capture this are robust, with efficiency now reaching a formidable 29%. Over the past 40 years, Airbus Defence and Space’s experts have developed and built more than 450 flight units (generally consisting of two solar wings) with an output of a few hundred Watts up to 26 kW. To date, not a single one of these units has failed while in operation. read less
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Energy of satellite in circular orbit. = -GMm/(2r)
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Energy of satellites : Geostationary satellites placed about 36 000 kilometres above the earth’s surface will orbit with the same period as the earth itself, and therefore it remains above the same place on the earth’s surface. As a result it gets energy from the Sun directly and the energy of...
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Energy of satellites : Geostationary satellites placed about 36 000 kilometres above the earth’s surface will orbit with the same period as the earth itself, and therefore it remains above the same place on the earth’s surface. As a result it gets energy from the Sun directly and the energy of the sun is converted into electricity by photoelectric cells on the solar array Nearly all satellites are powered by solar energy. They are equipped with a solar array, usually in the form of one or several panels, carrying a number of cells that directly convert sunlight into electricity. This is the energy of a satellite which keeps it operational for a long period. read less
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If the total mechanical energy in a satellite's orbit (assuming circular) is greater when it is closer to the earth, and hence smaller when it is farther from the earth, then we can say that as the moon drifts from the earth, the moon loses energy in translational speed and gravitational potential en...
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