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A satellite close to the earth is in orbit above the equator with the period of rotation of 1.5hours. If it is above a point P on the equator at some time, it will be above P again after time :
  • a)
    1.5hours
  • b)
    24/17hours if it is rotating from west to east
  • c)
    1.6hours if it is rotating from west to east
  • d)
    24/17hours if it is rotating from east to west
Correct answer is option 'C,D'. Can you explain this answer?
Verified Answer
A satellite close to the earth is in orbit above the equator with the ...
Let ω0 = the angular velocity of the earth about its axis.

Let ω = the angular velocity of the satellite

For a satellite rotating from west to east (the same as the earth), the relative angular velocity, ω1 = ω - ω0
The period of rotation relative to the earth 
For a satellite rotating from east to west (opposite to the earth), the relative angular velocity,  ω2 = ω + ω0.
The correct answers are: 1.6hours if it is rotating from west to east, 24/17hours if it is rotating from east to west
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Most Upvoted Answer
A satellite close to the earth is in orbit above the equator with the ...
Let ω0 = the angular velocity of the earth about its axis.

Let ω = the angular velocity of the satellite

For a satellite rotating from west to east (the same as the earth), the relative angular velocity, ω1 = ω - ω0
The period of rotation relative to the earth 
For a satellite rotating from east to west (opposite to the earth), the relative angular velocity,  ω2 = ω + ω0.
The correct answers are: 1.6hours if it is rotating from west to east, 24/17hours if it is rotating from east to west
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A satellite close to the earth is in orbit above the equator with the period of rotation of 1.5hours. If it is above a pointPon the equator at some time, it will be abovePagain after time :a)1.5hoursb)24/17hoursif it is rotating from west to eastc)1.6hoursif it is rotating from west to eastd)24/17hoursif it is rotating from east to westCorrect answer is option 'C,D'. Can you explain this answer?
Question Description
A satellite close to the earth is in orbit above the equator with the period of rotation of 1.5hours. If it is above a pointPon the equator at some time, it will be abovePagain after time :a)1.5hoursb)24/17hoursif it is rotating from west to eastc)1.6hoursif it is rotating from west to eastd)24/17hoursif it is rotating from east to westCorrect answer is option 'C,D'. Can you explain this answer? for Physics 2024 is part of Physics preparation. The Question and answers have been prepared according to the Physics exam syllabus. Information about A satellite close to the earth is in orbit above the equator with the period of rotation of 1.5hours. If it is above a pointPon the equator at some time, it will be abovePagain after time :a)1.5hoursb)24/17hoursif it is rotating from west to eastc)1.6hoursif it is rotating from west to eastd)24/17hoursif it is rotating from east to westCorrect answer is option 'C,D'. Can you explain this answer? covers all topics & solutions for Physics 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A satellite close to the earth is in orbit above the equator with the period of rotation of 1.5hours. If it is above a pointPon the equator at some time, it will be abovePagain after time :a)1.5hoursb)24/17hoursif it is rotating from west to eastc)1.6hoursif it is rotating from west to eastd)24/17hoursif it is rotating from east to westCorrect answer is option 'C,D'. Can you explain this answer?.
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