A Satellite Revolves Around the Earth in a Circular Orbit $-10^{12}$

question 16

Multiple Choice

A satellite revolves around the Earth in a circular orbit with a mechanical energy of $-10^{12}$ J. What is its kinetic energy?

• A) \(-5 \times 10^{11} \mathrm{~J}\)
• B) \(+5 \times 10^{11} \mathrm{~J}\)
• C) \(+10 \times 10^{11} \mathrm{~J}\)
• D) \(-20 \times 10^{11} \mathrm{~J}\)
• E) \(+7.1 \times 10^{11} \mathrm{~J}\)

---

Definitions:

Lobotomy

A surgical procedure that involves cutting or scraping away most of the connections to and from the prefrontal cortex, once used to treat mental disorders.

Permanently Lethargic

Describes a state of continuous tiredness, a lack of energy, and general disinterest in activities, which may stem from various medical or psychological conditions.

Patients

Individuals who receive medical treatment or care from healthcare professionals due to illness or injuries.

Lobotomy

A now-obsolete surgical procedure involving the cutting or scraping away of sections of the frontal lobes of the brain, once used to treat mental illness.