Answer:
The moon Phobos orbits Mars
(mass = 6.42 x 1023 kg) at a distance
of 9.38 x 106 m. What is its period of
orbit?
Explanation:
Answer: 27.9816 x 10^3 is the period of orbit
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Airports use ramps to connect the plane to the airport and towing trucks use ramps to get the vehicles on the truck
Hydrogen fuel cells is the answer