Question 1

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 D

Question 2

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 B

Question 3

The following conversion equivalents are given: 1.0 kg = 1000 g 1.0 l = 1000 $\mathrm { cm } ^ { 3 }$ 1.0 l = 0.0353 $\mathrm { ft } ^ { 3 }$ The density of a certain liquid is 0.83 g/ $\mathrm { cm } ^ { 3 }$ . 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. A

Question 4

The column of Trajan, erected in Rome in 106-113 A.D., is 125 feet tall. What is its height in centimeters? (2.54 cm = 1.00 in.)

Accepted Answer

A) 1,510 cm 
B) 591 cm 
C) 2,520 cm 
D) 3,810 cm 
E) 38,100 cm 
A) 1,510 cm 
B) 591 cm 
C) 2,520 cm 
D) 3,810 cm 
E) 38,100 cm

Question 5

Concrete is sold by the cubic yard. What is the mass, in kilograms, of 1.00 cubic yard of concrete that is 5.00 times as dense as water? (1.00 m = 1.094 yd, a cubic meter of water has a mass of 1,000 kg, and density is mass per unit volume.)

Accepted Answer

A) 764 kg 
B) 6550 kg 
C) 2420 kg 
D) 8730 kg 
E) 3820 kg 
A) 764 kg 
B) 6550 kg 
C) 2420 kg 
D) 8730 kg 
E) 3820 kg

Question 6

A reasonable estimate for the height of an ordinary adult male is

Accepted Answer

A) 50 cm. 
B) 70 cm. 
C) 200 cm. 
D) 300 cm. 
A) 50 cm. 
B) 70 cm. 
C) 200 cm. 
D) 300 cm.

Question 7

The wavelength of the light from a certain laser is $0.66 \text { microns, }$ where $1 \mathrm { micron } = 1.0 \times 10 ^ { - 6 } \mathrm {~m} .$ What is this wavelength in nanometers? (1 nm = 10-9m)

Accepted Answer

A) 6.6 × 102 nm 
B) 6.6 × 103 nm 
C) 6.6 × 101 nm 
D) 6.6 × 104 nm 
A) 6.6 × 102 nm 
B) 6.6 × 103 nm 
C) 6.6 × 101 nm 
D) 6.6 × 104 nm

Question 8

The mass of Mars, 6.40 × 1023 kg, is about one-tenth that of Earth, and its radius, 3395 km, is about half that of Earth. What is the mean density (mass divided by volume)of Mars in kilograms per cubic meter?

Accepted Answer

A) 9.76 × 102 kg/m3 
B) 1.95 × 103 kg/m3 
C) 3.90 × 103 kg/m3 
D) 7.81 × 103 kg/m3 
A) 9.76 × 102 kg/m3 
B) 1.95 × 103 kg/m3 
C) 3.90 × 103 kg/m3 
D) 7.81 × 103 kg/m3

Question 9

How many significant figures are in the number 120.070?

Accepted Answer

A) six 
B) five 
C) four 
D) three 
A) six 
B) five 
C) four 
D) three

Question 10

Add the following lengths, each obtained from a different measuring instrument, and round the answer to the proper number of significant figures: 20.02 m, 5.91 m, 0.0097 m, and 2.467 m.

Accepted Answer

The answer of Add the following lengths, each obtained from...

Question 11

Express the number 13.5 gigameters in meters without using scientific notation.

Accepted Answer

A) 135,000 m 
B) 135,000,000 m 
C) 135,000,000,000 m 
D) 13,500,000,000 m 
A) 135,000 m 
B) 135,000,000 m 
C) 135,000,000,000 m 
D) 13,500,000,000 m

Question 12

A train travels at a constant speed of 60.4 mi/h for 101.5 min. What distance does the train cover expressed to the correct number of significant figures?

Accepted Answer

A) 100 mi 
B) 102 mi 
C) 102.2 mi 
D) 102.18 mi 
E) 102.181 mi 
A) 100 mi 
B) 102 mi 
C) 102.2 mi 
D) 102.18 mi 
E) 102.181 mi

Question 13

The radius of the earth is 3963 mi. Which one of the following numbers is closest to the surface area of the earth? (1.0 mi = 1609 m)

Accepted Answer

A) 4.9 × 107 m2 
B) 1.3 × 1014 m2 
C) 2.6 × 1014 m2 
D) 5.1 × 1014 m2 
A) 4.9 × 107 m2 
B) 1.3 × 1014 m2 
C) 2.6 × 1014 m2 
D) 5.1 × 1014 m2

Question 14

How many significant figures are in the number 0.0037010?

Accepted Answer

A) four 
B) five 
C) six 
D) seven 
E) eight 
A) four 
B) five 
C) six 
D) seven 
E) eight

Question 15

Estimate the number of times an average person's heart beats in a lifetime. Assume the average heart rate is $69 \text { beats } / \mathrm { min }$ and a life span of 75 years.

Accepted Answer

A) 3 × 109 beats 
B) 3 × 108 beats 
C) 3 × 1010 beats 
D) 3 × 107 beats 
A) 3 × 109 beats 
B) 3 × 108 beats 
C) 3 × 1010 beats 
D) 3 × 107 beats

Question 16

If a circle has a radius of 1.109 m, what is its area expressed to the correct number of significant figures?

Accepted Answer

A) 3.86 m2 
B) 3.863 m2 
C) 3.864 m2 
D) 3.8638 m2 
E) 3.86379 m2 
A) 3.86 m2 
B) 3.863 m2 
C) 3.864 m2 
D) 3.8638 m2 
E) 3.86379 m2

Question 17

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 18

Wall posters are usually sold curled up in cylindrical cardboard tubes. If the length of the tube is 84.5 cm, and the inside diameter of the tube is 2.40 cm, what is the area of the poster expressed to the correct number of significant figures? (Assume the poster is just as long as the tube and does not overlap itself.)

Accepted Answer

A) 202.8 cm2 
B) 637.1 cm2 
C) 203 cm2 
D) 319 cm2 
E) 637 cm2 
A) 202.8 cm2 
B) 637.1 cm2 
C) 203 cm2 
D) 319 cm2 
E) 637 cm2

Question 19

The last page of a book is numbered 764. The book is 3.0 cm thick, not including its covers. What is the average thickness (in centimeters)of a page in the book, rounded to the proper number of significant figures?

Accepted Answer

A) 0.0039 cm 
B) 0.072 cm 
C) 0.0079 cm 
D) 0.00393 cm 
E) 0.00785 cm 
A) 0.0039 cm 
B) 0.072 cm 
C) 0.0079 cm 
D) 0.00393 cm 
E) 0.00785 cm

Question 20

What is $\frac { 0.674 } { 0.74 }$ expressed to the correct number of significant figures?

Accepted Answer

A) 0.91 
B) 0.911 
C) 0.9108 
D) 0.9 
A) 0.91 
B) 0.911 
C) 0.9108 
D) 0.9

Exam 1: Representing Motion

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

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

The following conversion equivalents are given: 1.0 kg = 1000 g 1.0 l = 1000 cm3\mathrm { cm } ^ { 3 }cm3 1.0 l = 0.0353 ft3\mathrm { ft } ^ { 3 }ft3 The density of a certain liquid is 0.83 g/ cm3\mathrm { cm } ^ { 3 }cm3 . The density of this liquid, expressed in kg/ft3, is closest to

The column of Trajan, erected in Rome in 106-113 A.D., is 125 feet tall. What is its height in centimeters? (2.54 cm = 1.00 in.)

Concrete is sold by the cubic yard. What is the mass, in kilograms, of 1.00 cubic yard of concrete that is 5.00 times as dense as water? (1.00 m = 1.094 yd, a cubic meter of water has a mass of 1,000 kg, and density is mass per unit volume.)

A reasonable estimate for the height of an ordinary adult male is

The wavelength of the light from a certain laser is 0.66 microns, 0.66 \text { microns, }0.66 microns, where 1micron=1.0×10−6 m.1 \mathrm { micron } = 1.0 \times 10 ^ { - 6 } \mathrm {~m} .1micron=1.0×10−6 m. What is this wavelength in nanometers? (1 nm = 10-9m)

The mass of Mars, 6.40 × 1023 kg, is about one-tenth that of Earth, and its radius, 3395 km, is about half that of Earth. What is the mean density (mass divided by volume)of Mars in kilograms per cubic meter?

How many significant figures are in the number 120.070?

Add the following lengths, each obtained from a different measuring instrument, and round the answer to the proper number of significant figures: 20.02 m, 5.91 m, 0.0097 m, and 2.467 m.

Express the number 13.5 gigameters in meters without using scientific notation.

A train travels at a constant speed of 60.4 mi/h for 101.5 min. What distance does the train cover expressed to the correct number of significant figures?

The radius of the earth is 3963 mi. Which one of the following numbers is closest to the surface area of the earth? (1.0 mi = 1609 m)

How many significant figures are in the number 0.0037010?

Estimate the number of times an average person's heart beats in a lifetime. Assume the average heart rate is 69 beats /min69 \text { beats } / \mathrm { min }69 beats /min and a life span of 75 years.

If a circle has a radius of 1.109 m, what is its area expressed to the correct number of significant figures?

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

The last page of a book is numbered 764. The book is 3.0 cm thick, not including its covers. What is the average thickness (in centimeters)of a page in the book, rounded to the proper number of significant figures?

What is 0.6740.74\frac { 0.674 } { 0.74 }0.740.674​ expressed to the correct number of significant figures?

Motion in One Dimension

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Applying Newtons Laws

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Em Induction and Em Waves

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The following conversion equivalents are given: 1.0 kg = 1000 g 1.0 l = 1000 $\mathrm { cm } ^ { 3 }$ 1.0 l = 0.0353 $\mathrm { ft } ^ { 3 }$ The density of a certain liquid is 0.83 g/ $\mathrm { cm } ^ { 3 }$ . The density of this liquid, expressed in kg/ft³, is closest to

The wavelength of the light from a certain laser is $0.66 \text { microns, }$ where $1 \mathrm { micron } = 1.0 \times 10 ^ { - 6 } \mathrm {~m} .$ What is this wavelength in nanometers? (1 nm = 10^-9m)

The mass of Mars, 6.40 × 10²³ kg, is about one-tenth that of Earth, and its radius, 3395 km, is about half that of Earth. What is the mean density (mass divided by volume)of Mars in kilograms per cubic meter?

Estimate the number of times an average person's heart beats in a lifetime. Assume the average heart rate is $69 \text { beats } / \mathrm { min }$ and a life span of 75 years.

What is $\frac { 0.674 } { 0.74 }$ expressed to the correct number of significant figures?