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Component 2 Electricity and the Universe

Quick questions on Orbits and satellites: circular orbits, Kepler's third law and geostationary orbits - Eduqas A-Level Physics

3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
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State Kepler's third law. [1 mark]
What is q2?
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A satellite orbits at radius 1.0×107 m1.0 \times 10^{7}\ \text{m} around a planet of mass 6.0×1024 kg6.0 \times 10^{24}\ \text{kg}. Find its orbital speed (G=6.67×10−11G = 6.67 \times 10^{-11}). [2 marks]
What is q3?
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State two conditions for a satellite to be geostationary. [2 marks]

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