A1800-kg spacecraft is in a 700x1200 km altitude earth orbit. a spacecraft has a re-startable onboard propulsion system with a thrust of 12kn and specific impulse of 275s. assuming the thrust vector remains aligned with the velocity vector and that the burn time is 75 seconds, determine: a) mass of propellant expended b) eccentricity of the new orbit c) the new apogee altitude

c

explanation:

spectral lines lyman is one set

hello, i am papaguy.

i have found an answer to your question but use it as information.

information: because weak acids/bases have low concentration of hydrogen ions, the addition of water has a large impact on the ph. 2. a difference in 1 unit is a 10x difference in concentration for example; a liquid with ph of 3 is 10x more acidic than a liquid with a ph of 4. therefore, a liquid with a ph of 3 is stronger.

best of luck!