A 700-Kg Satellite Is in an Elliptical Orbit Around Earth

A 700-kg satellite is in an elliptical orbit around Earth with a perigee (the point of closest approach) of 7.50 × 10⁶ m from the center of Earth and an apogee (the furthest point from the center of Earth) of 11.5 × 10⁶ m. What is the total energy of the satellite? The mass of Earth is 5.97 × 10²⁴ kg and G = 6.67 x 10^-11 N·m²/kg².

A) -4.51 × 10¹⁰ J
B) -3.10 × 10¹⁰ J
C) -2.08 × 10¹⁰ J
D) -1.04 × 10¹⁰ J
E) -1.47 × 10¹⁰J

Correct Answer:

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