A 50-Kg Satellite Circles the Earth in an Orbit with a Period

question 40

Multiple Choice

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 × 10⁶ m, mass = 6.0 × 10²⁴ kg)

• A) 2.9 × 10⁸ J
• B) 3.5 × 10⁸ J
• C) 4.1 × 10⁸ J
• D) 4.7 × 10⁸ J
• E) 5.9 × 10⁸ J

---

Definitions:

Spanish Empire

A historical empire that, at its height in the 16th and 17th centuries, included territories in Europe, the Americas, Asia, and Africa, known for its extensive conquests and colonial rule.

Peace of Paris

The term commonly refers to the 1783 set of treaties that ended the American Revolutionary War, recognizing American independence.

Economic Centers

Key urban or regional areas that serve as hubs of financial and commercial activity, influencing local and global economies.

French Immigrants

Individuals from France who relocate to another country.