Madrid PAU Physics Practice Questions - Madrid PAU Physics (Física - UCM 2026) Exam

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A satellite orbits Earth in a circular path at an altitude equal to Earth's radius (h = R_E = 6.37 × 10⁶ m). Given Earth's mass M_E = 5.97 × 10²⁴ kg and G = 6.674 × 10⁻¹¹ N m²/kg², what is the orbital speed of the satellite?

5.59 × 10³ m/s 7.91 × 10³ m/s 3.95 × 10³ m/s 1.12 × 10⁴ m/s

Correct Answer:

5.59 × 10³ m/s

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