Two satellites going in equatorial plane have almost same radii. As seen from the earth one moves from east one to west and the other from west to east. Will they have the same time period as seen from the earth? If not which one will have less time period?
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No, two satellites will have different time periods
Explanation:
- Two satellites move in equatorial plane; one is from east to west and another is from west to east.
- Time period is different due to the rotation of the earth. Because one satellite might be rotating in the direction of the earth, whereas another satellite rotates in the opposite direction.
- Because the relative speed of the satellite moving opposite to the earth’s rotation will have more relative speed and less time period.
- So, obviously the satellite rotating from east to west will have greater angular speed, hence it will have less time period.
- So, obviously the satellite that is moving in the opposite direction of the earth will have less time period.
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