Asked by Henry
calculate the work required to launch a satellite from the surface of the earth (radius6380km) to orbit 6000 km above the surface
Answers
Answered by
Damon
We need to know its mass.
Rearth = 6.380*10^6 meters
Rorbit = 12.380*10^6 meters
gain in potential energy + kinetic energy
Potential:
+G M m/rearth - G M m/rorbit = gain in potential energy
Kinetic
G M m/rorbit^2 = m V^2/rorbit
V^2 = G M/rorbit
Ke = (1/2) m V^2
add potential and kinetic energy
Rearth = 6.380*10^6 meters
Rorbit = 12.380*10^6 meters
gain in potential energy + kinetic energy
Potential:
+G M m/rearth - G M m/rorbit = gain in potential energy
Kinetic
G M m/rorbit^2 = m V^2/rorbit
V^2 = G M/rorbit
Ke = (1/2) m V^2
add potential and kinetic energy
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.