H2P-80
Circular orbits
H2 Physics · JC 1 · Medium · Circular orbits
Two identical satellites, each of mass , orbit a planet of mass in the same circular orbit of radius in the same direction. One is directly behind the other. They gently dock and move together as one body. What is the total mechanical energy of the system after docking?
- −GMm / r
- −2GMm / r
- −GMm / 2r
- −2GMm / 3r
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