Planet 1 and Planet 2 Are Both in Circular Orbits

question 36

Multiple Choice

Planet 1 and planet 2 are both in circular orbits around the same central star.The orbit of planet 2 has a radius that is much larger than the radius of the orbit of planet 1.This means that:

• A)the period of planet 1 is greater than the period of planet 2 and the speed of planet 1 is greater than the speed of planet 2
• B)the period of planet 1 is greater than the period of planet 2 and the speed of planet 1 is less than the speed of planet 2
• C)the period of planet 1 is less than the period of planet 2 and the speed of planet 1 is less than the speed of planet 2
• D)the period of planet 1 is less than the period of planet 2 and the speed of planet 1 is greater than the speed of planet 2
• E)the planets have the same speed and the same period

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Definitions:

Prophase

The first stage of cell division in both mitosis and meiosis, characterized by the condensing of chromatin into visible chromosomes.

Metaphase

A stage of cell division where chromosomes align in the middle of the cell before being separated into each of the two daughter cells.

Paired Comparisons

A statistical technique that involves comparing each pair in a set of observations to assess differences.

Independent

Not influenced or controlled by others in matters of opinion, conduct, etc; thinking or acting for oneself.