answers the question.

Version 1 1 Chapter 1 MULTIPLE CHOICE - Choose the one alternative that best completes the statement or answers the question.1) A student of physics watching the Star Wars films knows that according to the laws of physics

• the Rebel heroes can see the flash of an explosion in space.
• the Rebel heroes can hear the sound of an explosion in space.
• the Rebel heroes can communicate using their radios in space.
• the Rebel heroes can see the flash of an explosion in space AND the Rebel heroes

can communicate using their radios in space.

• the Rebel heroes can see the flash of an explosion in space AND the Rebel heroes

can hear the sound of an explosion in space.

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

• velocity has only magnitude.
• speed has only direction.
• velocity has magnitude and direction.
• speed has magnitude and direction.
• velocity has only direction.

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

• force has only magnitude.
• power has only direction.
• force has magnitude and direction.
• power has magnitude and direction.
• None of these answers are correct.

4) Algebraic symbols in physics equations represent physical quantities, therefore (College Physics, 5e Alan Giambattista ) (Test Bank, Answer at the end of each Chapter) 1 / 4

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• the symbols represent numbers only.
• the symbols represent numbers and units.
• the symbols consist of units only.
• the symbols are only abstract.
• the symbols are only imaginary.

5) The last page of a book is numbered 814 and the book is 3.00 cm thick. What is the average thickness of each page?

A) 2.54 × 10

3 cm

B) 2.54 × 10

-3 cm

C) 7.37 × 10

-3 cm

D) 3.92 × 10

-3 cm

6) The diameter of a circle is doubled. By what factor is the area changed?

A) √2

B) 2

C) 4

D) √4

E) 1

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

A) 5%.

B) 10%.

C) 12%.

D) 16%.

8) The radius of a circle is increased by 5%. The percentage increase of the area isabout 2 / 4

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A) 5%.

B) 10%.

C) 12%.

D) 16%.

9) The radius of a circle is tripled. By what factor is the area changed?

A) 3

B) 6

C) 9

D) 12

10) What is the percentage increase in area when ordering a 14 inch rather than a 12 inch pizza?

A) 16%

B) 26%

C) 36%

D) 46%

11) By what approximate factor is a 12 inch pizza larger in area than a 10 inch pizza?

A) 1.2

B) 1.1

C) 1.4

D) 1.6

12) If the surface area of a sphere increased by a factor of 3, by what factor did the radius of the sphere change? 3 / 4

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A) 1.14

B) 1.73

C) 2.00

D) 2.24

13) If the surface area of a sphere is increased by 16%, by what percentage has the radius been changed?

A) 16%

B) 8.1%

C) 7.7%

D) 12%

14) The volume of a sphere is 8.00 m 3 . The radius of the sphere is

• 1.24 m.
• 2.00 m.
• 2.65 m.
• 3.00 m.

15) The radius of a sphere is 2.00 m. The surface area of the sphere is

• 36.7 m

2 .

• 50.3 m

2 .

• 72.5 m

2 .

• 75.0 m

2 .

16) By what factor does the volume of a cube increase if the lengths of the edges are doubled?

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