A Spacecraft (Mass = M) Orbits a Planet (Mass =

question 33

Multiple Choice

A spacecraft (mass = m) orbits a planet (mass = M) in a circular orbit (radius = R) . What is the minimum energy required to send this spacecraft to a distant point in space where the gravitational force on the spacecraft by the planet is negligible?

• A) GmM/(4R)
• B) GmM/R
• C) GmM/(2R)
• D) GmM/(3R)
• E) 2GmM/(5R)

---

Definitions:

Importer

An individual or entity that buys goods or services from abroad for sale in the domestic market.

Bottled Water

Drinking water packaged in plastic or glass bottles, often treated and sold for consumption.

Domestic Producers

Domestic producers are companies or individuals that create goods and services within a country's borders.

Comparative Advantage

An economic principle that states a country should produce and export goods and services for which it is relatively more efficient at producing than other countries.