
A communication satellite orbiting around earth has an eccentricity of \(0.0014\). Find the time period of the satellite, altitude at …
 491 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 …
 444 views
 1 answers
 0 votes

Two satellites of masses \(m\) and \(2\;m\) are on the same circular orbit around earth.If the velocity of the lighter …
 641 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 …
 614 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 …
 596 views
 1 answers
 0 votes

A rocket is to be launched from the bottom of a very deep crater on mars for earth return.The specific …
 400 views
 1 answers
 0 votes

The Hohmann ellipse used as Earth Mars transfer orbit has
 365 views
 2 answers
 0 votes