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Two spaceships leave Earth in opposite directions, each with a speed of 0.58c with respect to Earth.
Two spaceships leave Earth in opposite directions, each with a speed of 0.58c with respect to Earth. What are the …
space

transfer orbit

Worldtech Asked on 3rd January 2025 in Space dynamics.
- 171 views
- 1 answers
- 0 votes
When exploring a small planet with a radius of 770 km and a mass of 8.48 x 10^30 kg a small spacecraft with a mass of 8170 kg is placed in an elliptical orbit around it.
When exploring a small planet with a radius of 770 km and a mass of 8.48 x 10^30 kg a …
space

transfer orbit

Worldtech Asked on 23rd December 2024 in Space dynamics.
- 152 views
- 1 answers
- 0 votes
Determine the differential equation for small oscillations about a circular orbit when the attractive force is -K/r².
Determine the differential equation for small oscillations about a circular orbit when the attractive force is -K/r².
space

transfer orbit

Worldtech Asked on 8th November 2023 in Space dynamics.
- 817 views
- 1 answers
- 0 votes
The satellite orbit is characterized by e = 0.508 and a/R = 3.34, and its launch point was r0/R = 2.0, Θ = 62°23′.
The satellite orbit is characterized by e = 0.508 and a/R = 3.34, and its launch point was r0/R = …
space

transfer orbit

Worldtech Asked on 8th November 2023 in Space dynamics.
- 522 views
- 1 answers
- 0 votes
A communication satellite orbiting around earth has an eccentricity of $0.0014$ . Find the time period of the satellite, altitude at apogee and velocity at perigee, if the satellite has an altitude of $400\,km$ at perigee from the surface of the earth.
A communication satellite orbiting around earth has an eccentricity of $0.0014$ . Find the time period of the satellite, altitude at …
earth

satellite

space

Worldtech Asked on 1st March 2021 in Space dynamics.
- 1K views
- 1 answers
- 0 votes
Calculate the orbital and escape velocity from earth, mass of earth is $5.9722 \times {10^{24}}\,kg$ and radius is $6.378 \times {10^6}\,m$ .
Calculate the orbital and escape velocity from earth, mass of earth is $5.9722 \times {10^{24}}\,kg$ and radius is \(6.378 \times …
earth

space

Kumar59 Asked on 1st March 2021 in Space dynamics.
- 1K views
- 1 answers
- 0 votes
Two satellites of masses m and 2m are on the same circular orbit around earth. If the velocity of the lighter satellite is v0, what is 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 …
Kisan Kumar Asked on 19th October 2019 in Space dynamics.
- 1K views
- 1 answers
- 0 votes
An elliptic orbit has its perigee at 400 km above the earth’s surface and apogee at 3400 km above the earth’s surface. For this orbit, what is the eccentricity and semi-major axis respectively.
An elliptic orbit has its perigee at 400 km above the earth’s surface and apogee at 3400 km above the …
GATE

Kisan Kumar Asked on 14th October 2019 in Space dynamics.
- 1K views
- 1 answers
- 0 votes
The propellant in a single stage sounding rocket occupies 60 % of its initial mass. If all of it is expanded instantaneously at an equivalent exhaust velocity of 3000 m/s, what would be the altitude attained 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 …
GATE

Kisan Kumar Asked on 8th October 2019 in Space dynamics.
- 1K views
- 1 answers
- 0 votes
Poll Normalization 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 …
transfer orbit

Kisan Kumar Asked on 3rd October 2019 in Space dynamics.
- 811 views
- 1 answers
- 0 votes

Poll Normalization of the specific impulse of the rocket.

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