Halley's Comet Moves About the Sun in an Elliptical Orbit

question 45

Short Answer

Halley's comet moves about the sun in an elliptical orbit with its closest approach to the sun being 0.59 A.U. and its furthest distance being 35 A.U. [1 Astronomical Unit (A.U.) is the Earth-sun distance.] If the comet's speed at closest approach is 54 km/s, what is its speed when it is farthest from the sun?

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Definitions:

Spinal Cord

A major part of the central nervous system, the spinal cord is a long, thin, tubular structure made up of nervous tissue that extends from the medulla oblongata in the brainstem to the lumbar region of the vertebral column.

Hallucinogen

Hallucinogen is a substance that induces alterations in perception, thinking, and emotions, leading to experiences that differ from objective reality.

LSD

Lysergic acid diethylamide, a powerful hallucinogenic drug that alters perception and mood.

Amphetamine

A stimulant drug that increases the activity in the central nervous system, boosting energy, concentration, and alertness.