An Asteroid in Orbit About the Sun Has a Linear

question 26

Multiple Choice

An asteroid in orbit about the Sun has a linear speed of 4 km/s when at a distance of closest approach d from the sun.What is its linear speed when it is at its greatest distance from the sun,a distance 4d?

• A) 1 km/s
• B) 2 km/s
• C) 8 km/s
• D) 16 km/s

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Definitions:

Circum-

A prefix in English denoting around, about, or surrounding something.

Epi-

Refers to being above, over, or on top of something, often used as a prefix in medical and biological terms to denote a higher position or an outer layer.

Tachy-

A prefix meaning "fast" or "swift," used in medical terminology to denote an abnormally rapid state, such as in "tachycardia" for rapid heartbeat.

Pan-

A prefix meaning "all" or "every," indicating inclusiveness or a wide scope in various fields.