The Speed Needed to Escape the Pull of Earth^'s Gravity $\times$

question 37

Multiple Choice

The speed needed to escape the pull of Earth^'s gravity is 11.3 km/s.What is this speed in mi/h?

• A)65,500 mi/h
• B)25,300 mi/h
• C)18,200 mi/h
• D)1,090 mi/h
• E)5.02 \(\times\) 10^-3 mi/h

---

Definitions:

Obsessive Compulsive Disorder (OCD)

A mental disorder characterized by intrusive thoughts (obsessions) that produce uneasiness and repetitive behaviors (compulsions) aimed at reducing these thoughts.

Post-Traumatic Stress Disorder (PTSD)

A psychological disorder caused by either undergoing or observing a distressing incident, identified by involuntary memories, bad dreams, and intense worry.

Seasonal Affective Disorder (SAD)

A type of depression that occurs at a specific time of year, usually in winter.

Attention Deficit Hyperactivity Disorder (ADHD)

A neurodevelopmental disorder characterized by problems with focus, hyperactivity, and impulsiveness that are not appropriate for a person's age.