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Physics · May / June 2017 · Paper 11 · Question 8

5054Circular motion

A satellite is in a circular orbit around a planet. Which statement is correct?

  1. AIts acceleration is constant in direction but not in size.
  2. BIts acceleration is constant in size but not in direction.
  3. CIts gravitational potential energy varies.
  4. DIts velocity is constant.

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Correct answer: B. Its acceleration is constant in size but not in direction.

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