Galicia PAU Physics Física 2o Bachillerato CIUG Practice Questions - Galicia PAU Physics Física 2o Bachillerato CIUG 2026 (Probas D'Acceso á Universidade) Exam

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A satellite of mass m = 500 kg orbits Earth in a circular orbit at an altitude h = R_E (where R_E = 6.37 x 10^6 m and Earth's mass M_E = 5.97 x 10^24 kg, G = 6.67 x 10^-11 N m^2/kg^2). What is the orbital speed of the satellite?

5.59 x 10^3 m/s 7.91 x 10^3 m/s 3.95 x 10^3 m/s 1.12 x 10^4 m/s

Correct Answer:

5.59 x 10^3 m/s

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