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

question 80

Multiple Choice

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