Satellite Speed in an Elliptical Orbit
A satellite in an elliptical orbit around Earth has a perigee of 7000 km and an apogee of 9000 km, both measured from Earth’s center. If the satellite’s speed is 8.2 km/s at perigee, what is its speed at apogee?
A
7.1 km/s
B
6.4 km/s
C
5.8 km/s
D
8.2 km/s × (7000/9000)
Question Leaderboard
| Rank | |||||
|---|---|---|---|---|---|
| #1 | busemagngr | 1 | 1 | 0m 55s | 45 |
| #2 | berenduyguyilmaz | 0 | 2 | 0m 00s | -20 |
| #3 | kb.bernard49 | 0 | 1 | 0m 53s | -63 |
| #4 | pranitasharma02 | 0 | 1 | 1m 09s | -79 |
Items per page:
10
1 – 4 of 4