Question 1

A 2.0 kg object is moving at a speed of v = 12.0 m/s. The drag force is 6.0 N. If the drag force is given by the equation F = bv2, then the value of b is

Accepted Answer

A)  1.5 × 10−2 Ns2/m2. 
B)  4.2 × 10−2 kg/m. 
C)  3.9 × 10−1 kg/m2. 
D)  4.2 × 10−1 N/m2. 
E)  7.5 × 10−3 Ns2/m2. 
A)  1.5 × 10−2 Ns2/m2. 
B)  4.2 × 10−2 kg/m. 
C)  3.9 × 10−1 kg/m2. 
D)  4.2 × 10−1 N/m2. 
E)  7.5 × 10−3 Ns2/m2.

Question 2

The length 4.221 cm is added to 0.01 cm. The appropriately rounded sum is

Accepted Answer

A)  4.22 cm. 
B)  4.231 cm. 
C)  4.23 cm. 
D)  4.2 cm. 
E)  4.21 cm. 
A)  4.22 cm. 
B)  4.231 cm. 
C)  4.23 cm. 
D)  4.2 cm. 
E)  4.21 cm.

Question 3

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

Accepted Answer

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. 
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.

Question 4

What is the approximate volume of an adult human's head?

Accepted Answer

A)  0.001 m3 
B)  0.005 m3 
C)  0.02 m3 
D)  1.0 m3 
E)  0.1 m3 
A)  0.001 m3 
B)  0.005 m3 
C)  0.02 m3 
D)  1.0 m3 
E)  0.1 m3

Question 5

The best way to learn problem-solving techniques for physics is to

Accepted Answer

A)  watch others demonstrate them. 
B)  practice them. 
C)  memorize them. 
D)  read about them in the text. 
A)  watch others demonstrate them. 
B)  practice them. 
C)  memorize them. 
D)  read about them in the text.

Question 6

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

Accepted Answer

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

Question 7

Which of the SI prefixes is used to indicate 109?

Accepted Answer

A)  kilo 
B)  mega 
C)  giga 
D)  tera 
E)  nano 
A)  kilo 
B)  mega 
C)  giga 
D)  tera 
E)  nano

Question 8

A liter is equivalent to 33.8 fluid ounces. How many liters of gasoline are required to fill a 21 gallon gas tank, if 1 gallon is equivalent to 128 fluid ounces?

Accepted Answer

A)  710 liters 
B)  210 liters 
C)  80 liters 
D)  6 liters 
A)  710 liters 
B)  210 liters 
C)  80 liters 
D)  6 liters

Question 9

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

Accepted Answer

A)  √2 
B)  2 
C)  4 
D)  √4 
E)  1 
A)  √2 
B)  2 
C)  4 
D)  √4 
E)  1

Question 10

The price of gasoline goes up 6% on Monday night and then goes down 7% the following day. What is the net percentage change in the price of gasoline from Monday morning?

Accepted Answer

A)  1.0% 
B)  2.0% 
C)  −1.4% 
D)  −1.0% 
A)  1.0% 
B)  2.0% 
C)  −1.4% 
D)  −1.0%

Question 11

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

Accepted Answer

A)  16% 
B)  8.1% 
C)  7.7% 
D)  12% 
A)  16% 
B)  8.1% 
C)  7.7% 
D)  12%

Question 12

Using the following unit conversions: 1.00 fluid ounce = 29.573 ml, 1.00 L = 1000 cm3, density of water = 1.00 g/cm3, the number of fluid ounces in a kg of water is

Accepted Answer

A)  48.8 fluid ounces. 
B)  40.1 fluid ounces. 
C)  33.8 fluid ounces. 
D)  25.7 fluid ounces. 
A)  48.8 fluid ounces. 
B)  40.1 fluid ounces. 
C)  33.8 fluid ounces. 
D)  25.7 fluid ounces.

Question 13

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

Accepted Answer

A)  v2 = 3h − 6 
B)  v2 = h − 2 
C)  v2 = 2h + 4 
D)  v2 = 2h − 4 
A)  v2 = 3h − 6 
B)  v2 = h − 2 
C)  v2 = 2h + 4 
D)  v2 = 2h − 4

Question 14

The radius of a circle is increased by 5%. The percentage increase of the area is about

Accepted Answer

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

Question 15

If the length of a box is reduced by one-third and the width and height are doubled, by what factor has the volume changed?

Accepted Answer

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

Question 16

To be dimensionally consistent, velocity [L/T], pressure [M/LT2], and density [M/L3] must be related as follows.

Accepted Answer

A)  velocity = pressure/density 
B)  velocity2 = pressure/density2 
C)  velocity = pressure/density2 
D)  velocity2 = pressure/density 
A)  velocity = pressure/density 
B)  velocity2 = pressure/density2 
C)  velocity = pressure/density2 
D)  velocity2 = pressure/density

Question 17

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

Accepted Answer

A)  velocity2 = force × length/mass 
B)  velocity2 = force × length/mass2 
C)  velocity = force × length2/mass 
D)  velocity = force × length/mass 
A)  velocity2 = force × length/mass 
B)  velocity2 = force × length/mass2 
C)  velocity = force × length2/mass 
D)  velocity = force × length/mass

Question 18

The precision and number of significant figures in 1.003 km is

Accepted Answer

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

Question 19

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

Accepted Answer

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

Question 20

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

Accepted Answer

A)  2 
B)  4 
C)  6 
D)  8 
A)  2 
B)  4 
C)  6 
D)  8

Exam 1: Introduction

A 2.0 kg object is moving at a speed of v = 12.0 m/s. The drag force is 6.0 N. If the drag force is given by the equation F = bv2, then the value of b is

The length 4.221 cm is added to 0.01 cm. The appropriately rounded sum is

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

What is the approximate volume of an adult human's head?

The best way to learn problem-solving techniques for physics is to

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

Which of the SI prefixes is used to indicate 109?

A liter is equivalent to 33.8 fluid ounces. How many liters of gasoline are required to fill a 21 gallon gas tank, if 1 gallon is equivalent to 128 fluid ounces?

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

The price of gasoline goes up 6% on Monday night and then goes down 7% the following day. What is the net percentage change in the price of gasoline from Monday morning?

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

Using the following unit conversions: 1.00 fluid ounce = 29.573 ml, 1.00 L = 1000 cm3, density of water = 1.00 g/cm3, the number of fluid ounces in a kg of water is

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

The radius of a circle is increased by 5%. The percentage increase of the area is about

If the length of a box is reduced by one-third and the width and height are doubled, by what factor has the volume changed?

To be dimensionally consistent, velocity [L/T], pressure [M/LT2], and density [M/L3] must be related as follows.

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

The precision and number of significant figures in 1.003 km is

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

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

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 2.0 kg object is moving at a speed of v = 12.0 m/s. The drag force is 6.0 N. If the drag force is given by the equation F = bv², then the value of b is

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

Which of the SI prefixes is used to indicate 10⁹?

Using the following unit conversions: 1.00 fluid ounce = 29.573 ml, 1.00 L = 1000 cm³, density of water = 1.00 g/cm³, the number of fluid ounces in a kg of water is

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

To be dimensionally consistent, velocity [L/T], pressure [M/LT²], and density [M/L³] must be related as follows.

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