Orbital Speed Is the Speed with Which a Planet Moves

question 17

Multiple Choice

Orbital speed is the speed with which a planet moves around the Sun. This speed isdetermined by:

• A)the mass of the planet only.
• B)the mass of the Sun only.
• C)both the mass of the planet and the mass of the Sun.
• D)the mass of the planet and its distance from the Sun.
• E)the mass of both the planet and the Sun and the distance between the two.

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