
A communication satellite orbiting around earth has an eccentricity of \(0.0014\). Find the time period of the satellite, altitude at …
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Calculate the orbital and escape velocity from earth, mass of earth is \(5.9722 \times {10^{24}}\,kg\) and radius is \(6.378 \times …
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Two satellites of masses \(m\) and \(2\;m\) are on the same circular orbit around earth.If the velocity of the lighter …
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An elliptic orbit has its perigee at 400 km above the earth’s surface and apogee at 3400 km above the …
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The propellant in a single stage sounding rocket occupies 60 % of its initial mass.If all of it is expanded …
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A rocket is to be launched from the bottom of a very deep crater on mars for earth return.The specific …
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The Hohmann ellipse used as Earth Mars transfer orbit has
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