Canary PAU Physics Practice Questions - Canary Islands PAU Physics Examination - ULPGC & ULL (Física 2o Bachillerato 2026) Exam

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A satellite follows a circular orbit around Earth of radius r = 4 R_E, both radii measured from Earth's centre. If v0 is the orbital speed for a circular orbit of radius r0 = R_E, what is the satellite's orbital speed v?

v = 2 v0 v = v0 v = v0 / 4 v = v0 / 2

Correct Answer:

v = v0 / 2

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