Which of the following statements is true or false? A satellite can maintain a s

Question

Which of the following statements is true or false?

A satellite can maintain a stable orbit in a plane not passing through the center of the earth.
The angular speed around the sun is larger for Mars than it is for Saturn.
If a planet of given density were made larger, (without changing its density), its force of attraction for an object on its surface would decrease.
The orbital speed around the sun is smaller for Mars than it is for Saturn.
Consider a rocket engine which provides a constant acceleration. The engine-on time required to escape from the earth is larger than the engine-on time required to escape the moon.
The rotation period around the sun is smaller for Mars than it is for Saturn.
As measured by an observer on earth, there is no difference in the periods of two satellites, each in the same circular orbit in the equatorial plane around the earth, but one moving eastward and the other westward.

My answer is F T F T F T T and can't figure out which one is wrong? Anyone can help me and explain reasons for each one??

Explanation / Answer

The angular speed around the sun is larger for Mars than it is for Saturn.     F

If a planet of given density were made larger, (without changing its density), its force of attraction for an object on its surface would decrease.---T

The orbital speed around the sun is smaller for Mars than it is for Saturn.----F

Consider a rocket engine which provides a constant acceleration. The engine-on time required to escape from the earth is larger than the engine-on time required to escape the moon.---F

The rotation period around the sun is smaller for Mars than it is for Saturn.----T

As measured by an observer on earth, there is no difference in the periods of two satellites, each in the same circular orbit in the equatorial plane around the earth, but one moving eastward and the other westward.---F

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