This graph plots planetary mass on the horizontal axis and planetary radius on the vertical axis. Which of the four points marked by one of the bold numbers 1 through 4 represents a planet with the greatest density?

A) Point 1
B) Point 2
C) Point 3
D) Point 4


D) Point 4

Physics & Space Science

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Molecular Vibration: If a diatomic quantum mechanical vibrator in its ground state has energy E, what is its energy in its second state above the ground state?

A. E. B. 3E. C. 5E. D. 7E. E. 9E.

Physics & Space Science

Most meteorites from the inner solar system originate from

A) the Moon B) Mars C) Mercury D) Venus

Physics & Space Science

Two electric charges each equal to -Q, are separated by a distance d. If you make a graph of the electric potential as a function of the distance along the line connecting the two charges, the point exactly midway between the two charges would

A) be a relative maximum. B) be a relative minimum. C) be neither a relative maximum nor a relative minimum. D) oscillate between being a relative maximum and a relative minimum.

Physics & Space Science

The vertical columns in the periodic table are called ______________

Fill in the blank(s) with correct word

Physics & Space Science