Question 1

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

Accepted Answer

A)  1.14 
B)  1.73 
C)  2.00 
D)  2.24 
A)  1.14 
B)  1.73 
C)  2.00 
D)  2.24

Question 2

If the radius of the Earth is 6400.0 km and the atmosphere is 10.0 km high, then the volume of air around the Earth is

Accepted Answer

A)  5.16 × 1018 m3. 
B)  3.605 × 1016 m3. 
C)  5.2 × 1018 m3. 
D)  5.1552 × 109 m3. 
A)  5.16 × 1018 m3. 
B)  3.605 × 1016 m3. 
C)  5.2 × 1018 m3. 
D)  5.1552 × 109 m3.

Question 3

A graph of x vs. t2 is linear, and intercepts the vertical axis at 12 m and the horizontal axis at 4 s2. What is the function?

Accepted Answer

A)  x = 12 m + (6 m/s2)t2 
B)  x = 12 m − (6 m/s2)t2 
C)  x = 12 m − (3 m/s2)t2 
D)  x = 12 m + (3 m/s2)t2 
A)  x = 12 m + (6 m/s2)t2 
B)  x = 12 m − (6 m/s2)t2 
C)  x = 12 m − (3 m/s2)t2 
D)  x = 12 m + (3 m/s2)t2

Question 4

To be dimensionally consistent, distance [L], velocity [L/T], and acceleration [L/T2] must be related as follows.

Accepted Answer

A)  distance = velocity2/acceleration 
B)  distance = velocity/acceleration 
C)  distance = velocity2 × acceleration 
D)  distance = velocity × acceleration2 
A)  distance = velocity2/acceleration 
B)  distance = velocity/acceleration 
C)  distance = velocity2 × acceleration 
D)  distance = velocity × acceleration2

Question 5

Estimate how many textbooks of 1000 pages stacked on top of each other would make a stack of books 15 feet high.

Accepted Answer

A)  100 
B)  10 
C)  1000 
D)  1 
E)  500 
A)  100 
B)  10 
C)  1000 
D)  1 
E)  500

Question 6

Algebraic symbols in physics equations represent physical quantities, therefore

Accepted Answer

A)  the symbols represent numbers only. 
B)  the symbols represent numbers and units. 
C)  the symbols consist of units only. 
D)  the symbols are only abstract. 
E)  the symbols are only imaginary. 
A)  the symbols represent numbers only. 
B)  the symbols represent numbers and units. 
C)  the symbols consist of units only. 
D)  the symbols are only abstract. 
E)  the symbols are only imaginary.

Question 7

The number of significant figures in 3.24 cm is

Accepted Answer

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

Question 8

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

Accepted Answer

A)  3 
B)  6 
C)  9 
D)  12 
A)  3 
B)  6 
C)  9 
D)  12

Question 9

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?

Accepted Answer

A)  increases by a factor of 3 
B)  decreases by a factor of 3 
C)  increases by a factor of 9 
D)  decreases by a factor of 9 
E)  stays the same 
A)  increases by a factor of 3 
B)  decreases by a factor of 3 
C)  increases by a factor of 9 
D)  decreases by a factor of 9 
E)  stays the same

Question 10

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

Accepted Answer

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. 
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.

Question 11

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

Accepted Answer

A)  16% 
B)  26% 
C)  36% 
D)  46% 
A)  16% 
B)  26% 
C)  36% 
D)  46%

Question 12

Find the equation x = at2 + b that fits the following data.

Accepted Answer

A)  x = t2 + 18 
B)  x = 4t2 − 2 
C)  x = t2 + 1 
D)  x = 2t2 
A)  x = t2 + 18 
B)  x = 4t2 − 2 
C)  x = t2 + 1 
D)  x = 2t2

Question 13

Find the equation x = at + b that fits the following data.

Accepted Answer

A)  x = 20t − 80 
B)  x = −20t + 80 
C)  x = 40t + 80 
D)  x = −40t + 20 
A)  x = 20t − 80 
B)  x = −20t + 80 
C)  x = 40t + 80 
D)  x = −40t + 20

Question 14

Find the equation x = at + b that fits the following data.

Accepted Answer

A)  x = 45 t + 20 
B)  x = 35 t + 20 
C)  x = 35 t + 15 
D)  x = 25 t + 45 
A)  x = 45 t + 20 
B)  x = 35 t + 20 
C)  x = 35 t + 15 
D)  x = 25 t + 45

Question 15

The side of a cube is increased by 5%. The percentage increase of the surface area of the cube is about

Accepted Answer

A)  5%. 
B)  10%. 
C)  12%. 
D)  16%. 
E)  18%. 
A)  5%. 
B)  10%. 
C)  12%. 
D)  16%. 
E)  18%.

Question 16

To be dimensionally consistent, distance [L], velocity [L/T], and time [T] must be related as follows.

Accepted Answer

A)  distance = time/velocity 
B)  distance = velocity/time 
C)  distance = time/velocity2 
D)  distance = velocity × time2 
E)  distance = velocity × time 
A)  distance = time/velocity 
B)  distance = velocity/time 
C)  distance = time/velocity2 
D)  distance = velocity × time2 
E)  distance = velocity × time

Question 17

By what factor does the volume of a cube increase if the lengths of the edges are tripled?

Accepted Answer

A)  6 
B)  9 
C)  3 
D)  27 
A)  6 
B)  9 
C)  3 
D)  27

Question 18

Find the equation v2 = ah + b that fits the following data.

Accepted Answer

A)  v2 = 4h 
B)  v2 = 2h + 8 
C)  v2 = 4h + 4.90 
D)  v2 = h 
A)  v2 = 4h 
B)  v2 = 2h + 8 
C)  v2 = 4h + 4.90 
D)  v2 = h

Question 19

The population of the United States (in 2019) is approximately 329,000,000. Write this number in scientific notation.

Accepted Answer

A)  3.3 × 107 
B)  329 × 106 
C)  3.29 × 107 
D)  3.29 × 108 
E)  32.9 × 107 
A)  3.3 × 107 
B)  329 × 106 
C)  3.29 × 107 
D)  3.29 × 108 
E)  32.9 × 107

Question 20

Approximately how many square centimeters are in 1 square foot (1 in = 2.54 cm)?

Accepted Answer

A)  30.5 cm2 
B)  929 cm2 
C)  366 cm2 
D)  144 cm2 
E)  22.3 cm2 
A)  30.5 cm2 
B)  929 cm2 
C)  366 cm2 
D)  144 cm2 
E)  22.3 cm2

Exam 1: Introduction

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

If the radius of the Earth is 6400.0 km and the atmosphere is 10.0 km high, then the volume of air around the Earth is

A graph of x vs. t2 is linear, and intercepts the vertical axis at 12 m and the horizontal axis at 4 s2. What is the function?

To be dimensionally consistent, distance [L], velocity [L/T], and acceleration [L/T2] must be related as follows.

Estimate how many textbooks of 1000 pages stacked on top of each other would make a stack of books 15 feet high.

Algebraic symbols in physics equations represent physical quantities, therefore

The number of significant figures in 3.24 cm is

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

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?

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

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

Find the equation x = at2 + b that fits the following data.

Find the equation x = at + b that fits the following data.

Find the equation x = at + b that fits the following data.

The side of a cube is increased by 5%. The percentage increase of the surface area of the cube is about

To be dimensionally consistent, distance [L], velocity [L/T], and time [T] must be related as follows.

By what factor does the volume of a cube increase if the lengths of the edges are tripled?

Find the equation v2 = ah + b that fits the following data.

The population of the United States (in 2019) is approximately 329,000,000. Write this number in scientific notation.

Approximately how many square centimeters are in 1 square foot (1 in = 2.54 cm)?

Motion Along a Line

Motion in a Plane

Force and Newtons Laws of Motion

Circular Motion

Conservation of Energy

Linear Momentum

Torque and Angular Momentum

Fluids

Elasticity and Oscillations

Waves

Sound

Temperature and the Ideal Gas

Heat

Thermodynamics

Electric Forces and Fields

Electric Potential

Electric Current and Circuits

Magnetic Forces and Fields

Electromagnetic Induction

Alternating Current

Electromagnetic Waves

Reflection and Refraction of Light

Optical Instruments

Interference and Diffraction

Relativity

Early Quantum Physics and the Photon

Quantum Physics

Nuclear Physics

Particle Physics

Filters

A graph of x vs. t² is linear, and intercepts the vertical axis at 12 m and the horizontal axis at 4 s². What is the function?

To be dimensionally consistent, distance [L], velocity [L/T], and acceleration [L/T²] must be related as follows.

Find the equation x = at² + b that fits the following data.

Find the equation v² = ah + b that fits the following data.