• Question Cagtegory: Space dynamics
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• ## Find  the time period of the satellite, altitude and velocity at apogee.

A communication satellite orbiting around earth has an eccentricity of $$0.0014$$. Find  the time period of the satellite, altitude at …

Asked on 1st March 2021 in
• 295 views

Calculate the orbital and escape velocity from earth, mass of earth is $$5.9722 \times {10^{24}}\,kg$$ and radius is $$6.378 \times … Asked on 1st March 2021 in • 254 views • 1 answers • 0 votes • ## Find the velocity of the heavier satellite. Two satellites of masses \(m$$ and $$2\;m$$ are on the same circular orbit around earth.If the velocity of the lighter …

Asked on 19th October 2019 in
• 528 views
• ## Find the eccentricity and semi-major axis of the following elliptical orbit.

An elliptic orbit has its perigee at 400 km above the earth’s surface and apogee at 3400 km above the …

Asked on 14th October 2019 in
• 495 views
• ## Find the altitude attended by the payload when launched vertically.

The propellant in a single stage sounding rocket occupies 60 % of its initial mass.If all of it is expanded …

Asked on 8th October 2019 in
• 491 views
• ## PollNormalization of the specific impulse of the rocket.

A rocket is to be launched from the bottom of a very deep crater on mars for earth return.The specific …

Asked on 3rd October 2019 in
• 322 views
• ## PollWhere will be the apogee and perigee for the Hohmann ellipse for earth-mars transfer orbit ?

The Hohmann ellipse used as Earth -Mars transfer orbit has

Asked on 3rd October 2019 in
• 296 views