An Astronomical Unit (AU)is the Average Distance from the Earth

question 34

Multiple Choice

An astronomical unit (AU) is the average distance from the Earth to the Sun.An comet in orbit around the Sun has a perihelion (near point to the Sun) of 0.50 AU and an aphelion (far point from the Sun) of 5.0 AU.If the comet's orbital speed at aphelion is v,what is its speed at perihelion?

• A) 11v
• B) 10v
• C) 5.5v
• D) 4.5v

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Choosing the best possible alternative from available options with the aim of maximizing desired outcomes or minimizing negative impacts.

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The process of executing a plan or policy so that the concept becomes an actuality, often involving the detailed steps and processes to achieve specific objectives.

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Steps or measures taken to identify solutions to specific difficulties or challenges.

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