the strength of the gravity the shape of the orbit the size of the planet the length of the day
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: All planets of the solar system rotate, but not all planets have the same rotational velocity. Which characteristic of a planet is determined by the rotational velocity of the planet?
Possibilities:
- the strength of the gravity
- the shape of the orbit
- the size of the planet
- the length of the day

the length of the day