Questions and Answers
Why are geostationary satellites not useful for studies of polar regions?
They revolve in an orbit parallel to the equator.
What is the characteristic feature of geostationary satellites that makes them appear stationary when observed from the earth?
They revolve at a height of 35780km above the earth's surface.
Why do satellite launch vehicles use multiple stages?
To ensure a controlled ascent into space.
How does the functioning of satellite launch vehicles relate to Newton's Third Law of Motion?
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Why is a large amount of fuel needed for satellite launch vehicles?
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What happens when the fuel in the first stage of a launch vehicle gets exhausted?
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How does the vehicle move faster after the fuel in the second stage is ignited?
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What defines high earth orbits compared to low earth orbits?
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How do satellites in low earth orbits differ from those in high earth orbits?
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What is the function of navigational satellites?
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