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Consider the ratio of the surface area of a sphere to its volume. What happens to this ratio if the diameter of the sphere increases by a factor of 3? ()

A. Decreases by a factor of 9
B. Increases by a factor of 3
C. Decreases by a factor of 3
D. Increases by a factor of 9
E. Stays the same

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In everyday language, speed and velocity are synonyms, but in physics ()

A. velocity has only magnitude.
B. speed has only direction.
C. velocity has magnitude and direction.
D. speed has magnitude and direction.
E. velocity has only direction.

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In everyday language, power and force are similar, but in physics ()

A. force has only magnitude.
B. power has only direction.
C. force has magnitude and direction.
D. power has magnitude and direction.
E. None of these answers are correct.

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The radius of a circle is increased by 5%. The percentage increase of the circumference is ()

A. 5%.
B. 10%.
C. 12%.
D. 16%.
E. 20%

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The electron configuration of element 25 is [Ar] 3d54s2, then it is in ( ) period of periodic table.

A. 2
B. 3
C. 4
D. 5

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Consider the ratio of the surface area of a sphere to its volume. What happens to this ratio if the diameter of the sphere increases by a factor of 3? ()

A. Decreases by a factor of 9 B. Increases by a factor of 3 C. Decreases by a factor of 3 D. Increases by a factor of 9 E. Stays the same

In everyday language, speed and velocity are synonyms, but in physics ()

In everyday language, power and force are similar, but in physics ()

The radius of a circle is increased by 5%. The percentage increase of the circumference is ()

The electron configuration of element 25 is [Ar] 3d54s2, then it is in ( ) period of periodic table.

A. Decreases by a factor of 9
B. Increases by a factor of 3
C. Decreases by a factor of 3
D. Increases by a factor of 9
E. Stays the same