Question 1

The volume of a sphere is 8.00 m3. The radius of the sphere is

Accepted Answer

A)  1.24 m. 
B)  2.00 m. 
C)  2.65 m. 
D)  3.00 m. 
A)  1.24 m. 
B)  2.00 m. 
C)  2.65 m. 
D)  3.00 m. A

Question 2

Which of the following is not an SI base unit?

Accepted Answer

A)  kelvin 
B)  kilogram 
C)  newton 
D)  second 
E)  meter 
A)  kelvin 
B)  kilogram 
C)  newton 
D)  second 
E)  meter C

Question 3

The precision and number of significant figures in 0.0045 mm is

Accepted Answer

A)  precision = 0.0001 mm, significant figures = 4. 
B)  precision = 0.001 mm, significant figures = 4. 
C)  precision = 0.0001 mm, significant figures = 3. 
D)  precision = 0.001 mm, significant figures = 3. 
E)  precision = 0.0001 mm, significant figures = 2. 
A)  precision = 0.0001 mm, significant figures = 4. 
B)  precision = 0.001 mm, significant figures = 4. 
C)  precision = 0.0001 mm, significant figures = 3. 
D)  precision = 0.001 mm, significant figures = 3. 
E)  precision = 0.0001 mm, significant figures = 2. E

Question 4

After carefully reading a physics problem, a good first step in solving it is to

Accepted Answer

A)  draw a sketch or diagram. 
B)  work backwards from the solution. 
C)  look up other similar problems with solutions. 
D)  look up equations that have the same variables. 
A)  draw a sketch or diagram. 
B)  work backwards from the solution. 
C)  look up other similar problems with solutions. 
D)  look up equations that have the same variables.

Question 5

The number of seconds in exactly 30 days is

Accepted Answer

A)  2.59 × 106. 
B)  2.592 × 106. 
C)  2.5920 × 106. 
D)  2.592000 × 106. 
A)  2.59 × 106. 
B)  2.592 × 106. 
C)  2.5920 × 106. 
D)  2.592000 × 106.

Question 6

Which of the following is a reasonable estimate for the total surface area of all the seats in a football stadium that seats 100,000 spectators? Consider only the horizontal portion of the seats (the part that people actually sit on).

Accepted Answer

A)  1 × 103 m2 
B)  2 × 106 m2 
C)  5 × 102 m2 
D)  1 × 104 m2 
E)  2 × 105 m2 
A)  1 × 103 m2 
B)  2 × 106 m2 
C)  5 × 102 m2 
D)  1 × 104 m2 
E)  2 × 105 m2

Question 7

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

Accepted Answer

A)  velocity = acceleration × time 
B)  velocity = acceleration × time2 
C)  velocity = acceleration2 × time2 
D)  velocity = acceleration2 × time 
A)  velocity = acceleration × time 
B)  velocity = acceleration × time2 
C)  velocity = acceleration2 × time2 
D)  velocity = acceleration2 × time

Question 8

To be dimensionally consistent, force [ML/T2], pressure [M/LT2], and length [L] must be related as follows.

Accepted Answer

A)  force = pressure2 × length2 
B)  force = pressure2 × length 
C)  force = pressure × length2 
D)  force = pressure × length 
A)  force = pressure2 × length2 
B)  force = pressure2 × length 
C)  force = pressure × length2 
D)  force = pressure × length

Question 9

One angstrom = 10−10 m and one fermi = 10−15 m. What is the relationship between these units?

Accepted Answer

A)  1 angstrom = 105 fermi 
B)  1 angstrom = 10−5 fermi 
C)  1 angstrom = 10−25 fermi 
D)  1 angstrom = 1025 fermi 
A)  1 angstrom = 105 fermi 
B)  1 angstrom = 10−5 fermi 
C)  1 angstrom = 10−25 fermi 
D)  1 angstrom = 1025 fermi

Question 10

What is the approximate volume of the average adult human body?

Accepted Answer

A)  0.1 m3 
B)  0.01 m3 
C)  0.5 m3 
D)  1 m3 
A)  0.1 m3 
B)  0.01 m3 
C)  0.5 m3 
D)  1 m3

Question 11

Estimate the number of dollar bills (15.5 cm wide), placed end to end, that it would take to circle the Earth (radius = 6.40 × 103 km).

Accepted Answer

A)  9.5 × 108 
B)  2.6 × 108 
C)  3.7 × 107 
D)  1.2 × 107 
E)  8.5 × 106 
A)  9.5 × 108 
B)  2.6 × 108 
C)  3.7 × 107 
D)  1.2 × 107 
E)  8.5 × 106

Question 12

Consider the ratio of the surface area of a cube to its volume. What happens to this ratio if the side length of the cube decreases by a factor of 2?

Accepted Answer

A)  Increases by a factor of 4 
B)  Decreases by a factor of 4 
C)  Increases by a factor of 2 
D)  Decreases by a factor of 2 
E)  Remains the same 
A)  Increases by a factor of 4 
B)  Decreases by a factor of 4 
C)  Increases by a factor of 2 
D)  Decreases by a factor of 2 
E)  Remains the same

Question 13

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

Accepted Answer

A)  x = 4t2 + 16 
B)  x = 2t2 − 16 
C)  x = 4t2 − 16 
D)  x = 2t2 + 16 
A)  x = 4t2 + 16 
B)  x = 2t2 − 16 
C)  x = 4t2 − 16 
D)  x = 2t2 + 16

Question 14

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

Accepted Answer

A)  1.2 
B)  1.1 
C)  1.4 
D)  1.6 
A)  1.2 
B)  1.1 
C)  1.4 
D)  1.6

Question 15

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

Accepted Answer

A)  x = 2t 
B)  x = 6t2 − 3t 
C)  x = 2t2 + 2t 
D)  x = t2 + 2t 
A)  x = 2t 
B)  x = 6t2 − 3t 
C)  x = 2t2 + 2t 
D)  x = t2 + 2t

Question 16

The length 3.76 mm is multiplied by 0.0232 mm. The appropriately rounded product is

Accepted Answer

A)  0.082 mm2. 
B)  0.09 mm2. 
C)  0.087 mm2. 
D)  0.0872 mm2. 
E)  0.08723 mm2. 
A)  0.082 mm2. 
B)  0.09 mm2. 
C)  0.087 mm2. 
D)  0.0872 mm2. 
E)  0.08723 mm2.

Question 17

1.0 centimeter equals how many micrometers?

Accepted Answer

A)  1.0 × 1012 
B)  1.0 × 106 
C)  1.0 × 104 
D)  1.0 × 10-3 
A)  1.0 × 1012 
B)  1.0 × 106 
C)  1.0 × 104 
D)  1.0 × 10-3

Question 18

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

Accepted Answer

A)  36.7 m2. 
B)  50.3 m2. 
C)  72.5 m2. 
D)  75.0 m2. 
A)  36.7 m2. 
B)  50.3 m2. 
C)  72.5 m2. 
D)  75.0 m2.

Question 19

A student of physics watching the Star Wars films knows that according to the laws of physics

Accepted Answer

A)  the Rebel heroes can see the flash of an explosion in space. 
B)  the Rebel heroes can hear the sound of an explosion in space. 
C)  the Rebel heroes can communicate using their radios in space. 
D)  the Rebel heroes can see the flash of an explosion in space AND the Rebel heroes can communicate using their radios in space. 
E)  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. 
A)  the Rebel heroes can see the flash of an explosion in space. 
B)  the Rebel heroes can hear the sound of an explosion in space. 
C)  the Rebel heroes can communicate using their radios in space. 
D)  the Rebel heroes can see the flash of an explosion in space AND the Rebel heroes can communicate using their radios in space. 
E)  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.

Question 20

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?

Accepted Answer

A)  2.54 × 103 cm 
B)  2.54 × 10-3 cm 
C)  7.37 × 10-3 cm 
D)  3.92 × 10-3 cm 
A)  2.54 × 103 cm 
B)  2.54 × 10-3 cm 
C)  7.37 × 10-3 cm 
D)  3.92 × 10-3 cm

Exam 1: Introduction

The volume of a sphere is 8.00 m3. The radius of the sphere is

Which of the following is not an SI base unit?

The precision and number of significant figures in 0.0045 mm is

After carefully reading a physics problem, a good first step in solving it is to

The number of seconds in exactly 30 days is

Which of the following is a reasonable estimate for the total surface area of all the seats in a football stadium that seats 100,000 spectators? Consider only the horizontal portion of the seats (the part that people actually sit on).

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

To be dimensionally consistent, force [ML/T2], pressure [M/LT2], and length [L] must be related as follows.

One angstrom = 10−10 m and one fermi = 10−15 m. What is the relationship between these units?

What is the approximate volume of the average adult human body?

Estimate the number of dollar bills (15.5 cm wide), placed end to end, that it would take to circle the Earth (radius = 6.40 × 103 km).

Consider the ratio of the surface area of a cube to its volume. What happens to this ratio if the side length of the cube decreases by a factor of 2?

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

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

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

The length 3.76 mm is multiplied by 0.0232 mm. The appropriately rounded product is

1.0 centimeter equals how many micrometers?

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

A student of physics watching the Star Wars films knows that according to the laws of physics

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?

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

The volume of a sphere is 8.00 m³. The radius of the sphere is

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

To be dimensionally consistent, force [ML/T²], pressure [M/LT²], and length [L] must be related as follows.

One angstrom = 10⁻¹⁰ m and one fermi = 10⁻¹⁵ m. What is the relationship between these units?

Estimate the number of dollar bills (15.5 cm wide), placed end to end, that it would take to circle the Earth (radius = 6.40 × 10³ km).

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

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