Question 1

A jar of peanut butter costs $3.29.Express its price in dekadollars and decidollars.

Accepted Answer

A) 0.329 dekadollars;0.329 decidollars 
B) 32.9 dekadollars;0.329 decidollars 
C) 329 dekadollars;32.9 decidollars 
D) 0.329 dekadollars;32.9 decidollars 
E) 32.9 dekadollars;329 decidollars 
A) 0.329 dekadollars;0.329 decidollars 
B) 32.9 dekadollars;0.329 decidollars 
C) 329 dekadollars;32.9 decidollars 
D) 0.329 dekadollars;32.9 decidollars 
E) 32.9 dekadollars;329 decidollars D

Question 2

A large school district has 300 school buses.If each school bus is used 3.0 hours each day,the average speed of the school buses is 15 mi/h,and the fuel economy of the buses is 10 mi/gal.How much does it cost to run these buses for 22 school days if gasoline costs $4.10 a gallon?

Accepted Answer

A) $60,000 
B) $120,000 
C) $180,000 
D) $240,000 
A) $60,000 
B) $120,000 
C) $180,000 
D) $240,000 B

Question 3

The volume of a 10-mL test tube is equivalent to which one of the following quantities?

Accepted Answer

A) 0.01 L 
B) 0.001 kL 
C) 0.1 L 
D) 1 × 10-6 L 
E) 0.001 ML 
A) 0.01 L 
B) 0.001 kL 
C) 0.1 L 
D) 1 × 10-6 L 
E) 0.001 ML A

Question 4

A porch roof that slopes upward at 45° measures 3.0 m × 5.0 m.It is covered with a slab of insulating material that is 2.0 cm thick.If the density of the insulation is 15 kg/m3,what is the weight of the insulation,in pounds,on the roof? (1.00 kg weighs 2.2 lb and density is mass per unit volume. )

Accepted Answer

A) 4.5 lb 
B) 9.0 lb 
C) 20 lb 
D) 990 lb 
E) 9.9 lb 
A) 4.5 lb 
B) 9.0 lb 
C) 20 lb 
D) 990 lb 
E) 9.9 lb

Question 5

Express (2.2 × 106)-1/2 in scientific notation.

Accepted Answer

A) 6.7 × 10-4 
B) 1.5 × 103 
C) 1.5 × 10-5 
D) 1.5 × 104 
A) 6.7 × 10-4 
B) 1.5 × 103 
C) 1.5 × 10-5 
D) 1.5 × 104

Question 6

If you are 5'10'' tall,what is your height in meters? (2.54 cm = 1.00 in. )

Accepted Answer

A) 1.5 m 
B) 1.6 m 
C) 1.7 m 
D) 1.8 m 
A) 1.5 m 
B) 1.6 m 
C) 1.7 m 
D) 1.8 m

Question 7

At a certain time,the average size of a transistor in a microprocessor was 250 nanometers.A human hair has a diameter of 70 microns (micrometers).How many transistors fit across a human hair?

Accepted Answer

A) 280 
B) 28 
C) 2800 
D) 2.8 
E) 0.28 
A) 280 
B) 28 
C) 2800 
D) 2.8 
E) 0.28

Question 8

In the sum A + B + C,A is accurate to 5 decimal places,B is accurate to 2 decimal places,and C is accurate to 3 decimal places.What is the correct number of decimal places in the sum?

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 5 
E) 10 
A) 2 
B) 3 
C) 4 
D) 5 
E) 10

Question 9

A spherical fruit has a radius of 3.23 cm.What is the volume of the fruit in cubic meters?

Accepted Answer

A) 1.41 × 10-4 m3 
B) 1.41 m3 
C) 4.23 × 10-4 m3 
D) 4.23 m3 
A) 1.41 × 10-4 m3 
B) 1.41 m3 
C) 4.23 × 10-4 m3 
D) 4.23 m3

Question 10

A speed of 65 miles per hour is the same as which of the following? (1.00 ft = 30.48 cm)

Accepted Answer

A) 24 m/s 
B) 29 m/s 
C) 32 m/s 
D) 37 m/s 
E) 42 m/s 
A) 24 m/s 
B) 29 m/s 
C) 32 m/s 
D) 37 m/s 
E) 42 m/s

Question 11

Given that 1.00 in.= 2.54 cm,how many square centimeters are in 1.00 square inch?

Accepted Answer

A) 1.59 
B) 2.54 
C) 5.08 
D) 6.45 
A) 1.59 
B) 2.54 
C) 5.08 
D) 6.45

Question 12

The peak of Mt.Everest,at 10,900 m,is the highest point above sea level in the world.What is its elevation in miles? (1.00 m = 3.281 ft)

Accepted Answer

A) 17.6 mi 
B) 0.630 mi 
C) 6.77 mi 
D) 6.20 mi 
E) 67.1 mi 
A) 17.6 mi 
B) 0.630 mi 
C) 6.77 mi 
D) 6.20 mi 
E) 67.1 mi

Question 13

In the product A ∙ B ∙ C,A has 5 significant figures,B has 2 significant figures,and C has 3 significant figures.How many significant figures does the product have?

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 5 
E) 10 
A) 2 
B) 3 
C) 4 
D) 5 
E) 10

Question 14

The following conversion equivalents are given:
1.0 kg = 1000 g 1.0 l = 1000  
1.0 l = 0.0353  
The density of a certain liquid is 0.83 g/  
.The density of this liquid,expressed in kg/ft3,is closest to

Accepted Answer

A) 24 kg/ft3. 
B) 19 kg/ft3. 
C) 21 kg/ft3. 
D) 26 kg/ft3. 
E) 28 kg/ft3. 
A) 24 kg/ft3. 
B) 19 kg/ft3. 
C) 21 kg/ft3. 
D) 26 kg/ft3. 
E) 28 kg/ft3.

Question 15

What is 0.2052/3,to the correct number of significant figures?

Accepted Answer

A) 0.348 
B) 0.35 
C) 0.3 
D) 0.3477 
A) 0.348 
B) 0.35 
C) 0.3 
D) 0.3477

Question 16

What is the product of 12.56 and 2.12 expressed to the correct number of significant figures?

Accepted Answer

A) 27 
B) 26.6 
C) 26.23 
D) 26.627 
A) 27 
B) 26.6 
C) 26.23 
D) 26.627

Question 17

A reasonable estimate for the mass of an ordinary passenger car is

Accepted Answer

A) 100 kg. 
B) 1000 kg. 
C) 5000 kg. 
D) 10,000 kg. 
A) 100 kg. 
B) 1000 kg. 
C) 5000 kg. 
D) 10,000 kg.

Question 18

A plot of land contains 5.8 acrea.  How many square meters does it contain? (1.0 acre = 43,560 ft2 and 2.54 cm = 1.00 in. )

Accepted Answer

A) 2.3 × 104 m2 
B) 7.1 × 103 m2 
C) 7.0 × 104 m2 
D) 5.0 × 104 m2 
A) 2.3 × 104 m2 
B) 7.1 × 103 m2 
C) 7.0 × 104 m2 
D) 5.0 × 104 m2

Question 19

A weight lifter can bench press 171 kg. How many milligrams is this?

Accepted Answer

A) 1.71 × 108 mg 
B) 1.71 × 109 mg 
C) 1.71 × 107 mg 
D) 1.71 × 106 mg 
A) 1.71 × 108 mg 
B) 1.71 × 109 mg 
C) 1.71 × 107 mg 
D) 1.71 × 106 mg

Question 20

To get to her physics class,Alice walks 0.25 mi to the bus stop.She takes the bus 1.2 mi to the train station.She takes the train 13 mi and walks the remaining 0.17 mi to her class.How far is her commute expressed to the correct number of significant figures?

Accepted Answer

A) 14.6 mi 
B) 10 mi 
C) 15 mi 
D) 14.62 mi 
E) 14.620 mi 
A) 14.6 mi 
B) 10 mi 
C) 15 mi 
D) 14.62 mi 
E) 14.620 mi

Exam 1: Introduction to Physics

A jar of peanut butter costs $3.29.Express its price in dekadollars and decidollars.

A large school district has 300 school buses.If each school bus is used 3.0 hours each day,the average speed of the school buses is 15 mi/h,and the fuel economy of the buses is 10 mi/gal.How much does it cost to run these buses for 22 school days if gasoline costs $4.10 a gallon?

The volume of a 10-mL test tube is equivalent to which one of the following quantities?

Express (2.2 × 106)-1/2 in scientific notation.

If you are 5'10'' tall,what is your height in meters? (2.54 cm = 1.00 in. )

At a certain time,the average size of a transistor in a microprocessor was 250 nanometers.A human hair has a diameter of 70 microns (micrometers).How many transistors fit across a human hair?

In the sum A + B + C,A is accurate to 5 decimal places,B is accurate to 2 decimal places,and C is accurate to 3 decimal places.What is the correct number of decimal places in the sum?

A spherical fruit has a radius of 3.23 cm.What is the volume of the fruit in cubic meters?

A speed of 65 miles per hour is the same as which of the following? (1.00 ft = 30.48 cm)

Given that 1.00 in.= 2.54 cm,how many square centimeters are in 1.00 square inch?

The peak of Mt.Everest,at 10,900 m,is the highest point above sea level in the world.What is its elevation in miles? (1.00 m = 3.281 ft)

In the product A ∙ B ∙ C,A has 5 significant figures,B has 2 significant figures,and C has 3 significant figures.How many significant figures does the product have?

The following conversion equivalents are given: 1.0 kg = 1000 g 1.0 l = 1000 1.0 l = 0.0353 The density of a certain liquid is 0.83 g/ .The density of this liquid,expressed in kg/ft3,is closest to

What is 0.2052/3,to the correct number of significant figures?

What is the product of 12.56 and 2.12 expressed to the correct number of significant figures?

A reasonable estimate for the mass of an ordinary passenger car is

A plot of land contains 5.8 acrea. How many square meters does it contain? (1.0 acre = 43,560 ft2 and 2.54 cm = 1.00 in. )

A weight lifter can bench press 171 kg. How many milligrams is this?

To get to her physics class,Alice walks 0.25 mi to the bus stop.She takes the bus 1.2 mi to the train station.She takes the train 13 mi and walks the remaining 0.17 mi to her class.How far is her commute expressed to the correct number of significant figures?

One-Dimensional Kinematics

Vectors in Physics

Two-Dimensional Kinematics

Newtons Laws of Motion

Applications of Newtons Laws

Work and Kinetic Energy

Potential Energy and Conservation of Energy

Linear Momentum and Collisions

Rotational Kinematics and Energy

Rotational Dynamics and Static Equilibrium

Gravity

Oscillations About Equilibrium

Waves and Sound

Fluids

Temperature and Heat

Phases and Phase Changes

The Laws of Thermodynamics

Electric Charges, Forces, and Fields

Electric Potential and Electric

Electric Current and Direct-Current Circuits

Magnetism

Magnetic Flux and Faradays Law of Induction

Alternating-Current Circuits

Electromagnetic Waves

Geometrical Optics

Optical Instruments

Physical Optics: Interference and Diffraction

Relativity

Quantum Physics

Atomic Physics

Nuclear Physics and Nuclear Radiation

Filters

Express (2.2 × 10⁶)^-1/2 in scientific notation.

The following conversion equivalents are given: 1.0 kg = 1000 g 1.0 l = 1000 1.0 l = 0.0353 The density of a certain liquid is 0.83 g/ .The density of this liquid,expressed in kg/ft³,is closest to

What is 0.205^2/3,to the correct number of significant figures?

A plot of land contains 5.8 acrea. How many square meters does it contain? (1.0 acre = 43,560 ft² and 2.54 cm = 1.00 in. )