Discussion Post
• What is the orbital period (in years) of a planet with a semimajor axis of 10 AU?
• What is the semimajor axis (in AU) of a planet with an orbital period of 25 years?
• What is the force of gravity acting between the Earth and a 100-kg person standing on the surface?
• What is the force of gravity acting between the Earth and a 60-kg person who is 400 km above the surface of the Earth?
• What is the force of gravity acting between the Sun and a 80-kg person who is 0.8 AU away from the Sun?
The response must include a reference list. Using Times New Roman 12 pnt font, double-space, one-inch margins, and APA style of writing and citations.