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Cambridge IGCSE Combined Science practice

What happens to the orbital speed if the orbital period is increased?

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MCQ

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cambridge_mcq

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Topic

Stars and the Universe

Exam-style question

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What happens to the orbital speed if the orbital period is increased?.

  1. A.It increases
  2. B.It decreases
  3. C.It remains the same
  4. D.It becomes zero

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Method

Method for Measuring Orbital Speed

In this experiment, you will measure the time taken for a satellite to complete one orbit at different radii. Record the radius and the time taken for each orbit.

Radius (m)Time (s)
1060
20120
30180
  1. a

    State the independent variable in this experiment.

    Aim for approximately 1 distinct marking point.

    [1]