A 50-kg satellite circles the Earth in an orbit with a period of 120 min. What minimum energy is required to change the orbit to another circular orbit with a period of 180 min? (Earth: radius = 6.4 × 10^6 m, mass = 6.0 × 10^24 kg)
a. 2.9 × 10^8 J
b. 3.5 × 10^8 J
c. 4.1 × 10^8 J
d. 4.7 × 10^8 J
e. 5.9 × 10^8 J
a
Physics & Space Science
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