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:

Cattell-Horn-Carroll Model

A psychological theory that attempts to describe human intelligence and cognitive abilities through a hierarchical structure of factors.

Factor Analysis

A method of demonstrating construct validity by statistically examining the relationship between subscales and the larger construct. It is frequently used in multiple aptitude tests to help developers determine the purity of subtests.

Multiple Abilities

The concept that intelligence is not a single factor but a collection of various cognitive skills and talents.

Cattell-Horn-Carroll

A comprehensive framework of human cognitive abilities that combines the theories of Raymond Cattell, John L. Horn, and Carroll, offering a detailed description of the structure of intelligence.