AP Physics 1 Question 5: Answer and Explanation

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Question: 5

5. Two satellites are in circular orbit around the Earth. The distance from Satellite 1 to Earth’s center is r1, and the distance from Satellite 2 to the Earth’s center is r2, what is the speed of Satellite 2?

  • A.
  • B.
  • C.
  • D.

Correct Answer: B


B The gravitational force provides the centripetal force on each satellite, so