Deck 1: Introduction to Physics

Question 1

The number of significant figures in 0.01500 is

A)two.
B)three.
C)four.
D)five.

Answer 1

four.

Question 2

What is the quotient of 2.43 ÷ 4.561 expressed to the correct number of significant figures?

A)5.3278 ×
B)5.328 ×
C)5.33 ×
D)5.3 ×

Answer 2

5.33 ×

Question 3

How many significant figures are in the number 0.010?

A)four
B)three
C)two
D)one

Answer 3

two

Question 4

A reasonable estimate for the height of the walls in an ordinary American home is

A)10 m.
B)8 m.
C)2.5 m.
D)1.5 m.

Question 5

The number of significant figures in 10001 is

A)two.
B)three.
C)five.
D)six.

Question 6

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

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

Question 7

A reasonable estimate for the duration of a typical physics lecture is

A)600 s.
B)1000 s.
C)3500 s.
D)10,000 s.

Question 8

The metric system is preferred over the British system in science for the following main reason.

A)The metric system is more precise than the British system.
B)Metric quantities can be defined more accurately than the quantities in the British system.
C)Metric quantities are natural whereas British quantities are invented.
D)Conversions between metric quantities are especially easy because they are all related by factors of ten.

Question 9

How many significant figures are in the number 0.0037010?

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

Question 10

How many significant figures are in the number 120.070?

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

Question 11

In the difference 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 difference?

A)2
B)3
C)4
D)5
E)0

Question 12

A reasonable estimate for the mass of a typical new-born baby is

A)1 kg.
B)3 kg.
C)10 kg.
D)20 kg.

Question 13

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

Question 14

The number of significant figures in 0.040 is

A)one.
B)two.
C)three.
D)four.

Question 15

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?

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

Question 16

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

A)2
B)3
C)4
D)0
E)1

Question 17

A reasonable estimate for the mass of a typical female college student is

A)20 kg.
B)50 kg.
C)150 kg.
D)200 kg.

Question 18

What is (0.674/0.74). Expressed to the correct number of significant figures?

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

Question 19

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

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

Question 20

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

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

Question 21

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

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

Question 22

Which of the following numbers is the smallest?

A)15 × 10^-3
B)0.15 × 10⁰
C)0.00015 × 10³
D)0.00000015 × 10⁶

Question 23

What is the sum of 2.67 + 1.976 + 2.1 expressed to the correct number of significant figures?

A)6.7
B)6.75
C)6.746
D)6.7460

Question 24

The length and width of a rectangle are 1.125 m and 0.606 m,respectively.Multiplying,your calculator gives the product as 0.68175.Rounding properly to the correct number of significant figures,the area of the rectangle should be written as

A)0.68 m².
B)0.682 m².
C)0.6818 m².
D)0.68175 m².

Question 25

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

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

Question 26

What is the sum of 1.53 + 2.786 + 3.3 expressed to the correct number of significant figures?

A)7
B)7.6
C)7.62
D)7.616
E)7.6160

Question 27

Using a digital balance the mass of a certain piece of wood is read as 12.946 g.Thinking in terms of accuracy and significant figures,what value would you record on your data sheet if the balance is accurate to one-tenth of a gram?

A)12.9 g
B)12.95 g
C)13 g
D)13.0 g

Question 28

Which one of the following numbers is equivalent to the number 0.0001776?

A)1.776 × 10^-4
B)17.76 × 10^-3
C)1776 × 10^-5
D)177.6 × 10^-7

Question 29

What is the difference between 103.5 and 102.24 expressed to the correct number of significant figures?

A)1.3
B)1.26
C)1.260
D)1.2600

Question 30

Write out the number 8.42 × 10^-5 in full with a decimal point and correct number of zeros.

A)0.00000842
B)0.0000842
C)0.000842
D)0.00842

Question 31

A dog has three puppies.Spot weighs 12 ounces.Rascal weighs 9.5 ounces.Socks weighs 10.2 ounces.What is the total weight of the litter expressed to the correct number of significant figures?

A)31.7 ounces
B)31 ounces
C)32 ounces
D)30 ounces
E)31.70 ounces

Question 32

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?

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

Question 33

Add 1,299g and 45.1kg, And express your answer in milligrams (mg)to the correct number of significant figures.

A)4.64 × 10⁷ mg
B)4.64 × 10⁴ mg
C)4.64 × 10⁵ mg
D)4.64 × 10⁶ mg

Question 34

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?

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

Question 35

What is the result,expressed to the proper number of significant figures,of adding 23.4 to 91.237 and then subtracting 23.4?

A)91.237
B)91.2
C)91.3
D)91.0
E)91

Question 36

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?

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

Question 37

What is 56 +
Written with the correct number of significant figures?

A)62.8
B)62.812
C)62.81
D)63
E)62.8123846

Question 38

A rectangular garden measures 15 m long and 13.70 m wide.What is the length of a diagonal from one corner of the garden to the other?

A)18 m
B)19 m
C)20 m
D)4.1 × 10² m

Question 39

A traveler has about $536 in his checking account,about $2107 in his savings account and exactly $7.62 in his wallet.To the greatest precision warranted,how much money does this shopper have?

A)$2651
B)$2,650
C)$2,650.6
D)$2,650.62
E)$2,650.620

Question 40

The length and width of a rectangle are 1.125 m and 0.606 m,respectively.You calculate the rectangle's perimeter by adding these numbers and multiplying by two.Your calculator's display reads 3.462.To the correct number of significant figures,the perimeter should be written as

A)3.5 m.
B)3.46 m.
C)3.462 m.
D)3.4620 m.

Question 41

Given that 1.00 in.= 2.54 cm and 1.00 yd = 36.0 in. ,how many meters are in 7.00 yd?

A)6.40 m
B)36.3 m
C)640 m
D)1.78 × 10³ m

Question 42

The quantity 0.00325 × 10^-8 cm is equivalent to

A)3.25 × 10^-12 mm.
B)3.25 × 10^-11 mm.
C)3.25 × 10^-10 mm.
D)3.25 × 10^-9 mm.
E)3.25 × 10^-8 mm.

Question 43

The wavelength of the light from a certain laser is 0.66 microns, Where 1 micron=1.0x10^-6m. What is this wavelength in nanometers? (1 nm = 10^-9m)

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

Question 44

How many nanoseconds does it take for a computer to perform one calculation if it performs 6.7x10⁷. Calculations per second?

A)15 ns
B)67 ns
C)11 ns
D)65 ns

Question 45

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

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

Question 46

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

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

Question 47

A speed of 60 mi/h is closest to which of the following? (2.54 cm = 1.00 in. )

A)60 m/s
B)20 m/s
C)30 km/h
D)120 m/s
E)30 m/s

Question 48

A certain CD-ROM. Disk can store 600 megabytes of information.If an average word requires 9.0 bytes of storage,how many words can be stored on one disk?

A)6.7 × 10⁷ words
B)5.4 × 10⁹ words
C)2.1 × 10⁷ words
D)2.0 × 10⁹ words

Question 49

Express the sum 1.00 kg + 1531 g + 2.54 × 10⁴ mg in kilograms with the correct number of significant figures.

A)2.56 kg
B)27.9 kg
C)2.53 kg
D)2.79 kg

Question 50

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

Question 51

Express 50 mi/h in units of meters per second.(1 mi = 1609 m)

A)49 m/s
B)2.2 m/s
C)22 m/s
D)45 m/s

Question 52

What is the result of the calculation (0.410 + 0.021)× (2.20 × 10³)?

A)880
B)946
C)948
D)950

Question 53

A light-year (ly)is the distance that light travels in one year.The speed of light is 3.00 × 10⁸ m/s.How many miles are there in 1.00 ly? (1.00 mi = 1.609 km and one year is 365.25 days. )

A)2.87 × 10¹³ mi
B)9.46 × 10¹⁵ mi
C)5.88 × 10¹⁵ mi
D)9.46 × 10¹² mi
E)5.88 × 10¹² mi

Question 54

An area of 1.00 × 10² cm² is how many square meters?

A)1.00 m²
B)1.00 × 10² m²
C)1.00 × 10^-2 m²
D)1.00 × 10⁴ m²
E)1.00 × 10^-3 m²

Question 55

The number 0.00325 × 10^-8 cm can be expressed in millimeters as

A)3.25 × 10^-12 mm.
B)3.25 × 10^-11 mm.
C)3.25 × 10^-10 mm.
D)3.25 × 10^-9 mm.

Question 56

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

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

Question 57

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

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

Question 58

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

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

Question 59

A volume of 100 mL is equivalent to which one of the following volumes?

A)1 kL
B)10^-6 μL
C)0.1 L
D)0.01 ML

Question 60

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

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

Question 61

A typical ruby-throated hummingbird is 8 cm long.Express its length in millimeters and micrometers (µm).

A)80 mm;800 µm
B)80 mm;80,000 µm
C)800 mm;0.008 µm
D)800 mm;0.8 µm
E)0.8 mm;8000 µm

Question 62

A person on a diet loses 1.6kg. In a week.How many micrograms per second (μg/s)are lost?

A)2.6 × 10³ μg/s
B)1.6 × 10⁵ μg/s
C)44 μg/s
D)6.4 × 10⁴ μg/s

Question 63

An oak tree was planted 22 years Ago.How many seconds does this correspond to? (Do not take leap days into account. )

A)6.9 × 10⁸
B)1.2 × 10⁷
C)2.9 × 10⁷
D)2.8 × 10⁸

Question 64

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

Question 65

The following conversion equivalents are given:
1.0 mile = 5280 ft 1.0 ft = 12 in 1 m = 39.37 in
1.0 hour = 60 min 1.0 min = 60 s
If a deer runs at 4.7 mi/h,its speed,in meters per second,is closest to

A)2.1 m/s.
B)1.7 m/s.
C)1.9 m/s.
D)2.3 m/s.
E)2.5 m/s.

Question 66

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

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

Question 67

Your car gets 34.7 mi/gal on a vacation trip in the U.S.If you were figuring your mileage in Europe,how many km/L did it get? (3.79 L = 1.00 gal;1.00 mi = 1.61 km)

A)14.7 km/L
B)9.16 km/L
C)55.9 km/L
D)32.4 km/L

Question 68

The king's chamber of the great pyramid in Egypt is 10.43 m long,5.21 m wide,and 5.82 m high.What is the volume of the chamber in cubic feet,expressed to the correct number of significant figures? (1.00 in.= 2.54 cm)

A)316 ft³
B)3,720 ft³
C)6,530 ft³
D)11,200 ft³
E)13,200 ft³

Question 69

Which of the following speeds is greatest? (2.54 cm = 1.00 in. )

A)10 km/h
B)10 m/s
C)10 ft/s
D)10 mi/h
E)10 yd/s

Question 70

Rover eats 0.50 pound of dry dog food per day.How many 5.0-kg sacks of dog food does his owner need to buy in a year? (1.0 kg weighs 2.2 lb)

A)17
B)25
C)52
D)80
E)81

Question 71

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?

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

Question 72

The Hope Diamond weighs 44.5 carats,and there are 200 mg per carat.What is the mass of the Hope Diamond in kilograms?

A)0.000890 kg
B)0.00890 kg
C)0.0890 kg
D)0.890 kg
E)8.90 kg

Question 73

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. )

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

Question 74

A jogger has a mass of 50 kg.Express her mass in grams and micrograms (µg).

A)50,000 g;5 × 10⁶ µg
B)500,000 g;500 × 10⁶ µg
C)500,000 g;5000 µg
D)50,000 g;5 × 10¹⁰ µg
E)50,000 g;50,000 µg

Question 75

The following conversion equivalents are given:
1.0 m = 100 cm 1.0 in = 2.54 cm 1.0 ft = 12 in
If a bin has a volume of 1.5 m³,the volume of the bin,in ft³,is closest to

A)35 ft³.
B)41 ft³.
C)47 ft³.
D)53 ft³.
E)59 ft³.

Question 76

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

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

Question 77

There are 640 acres in a square mile,and 5280 feet in 1.00 mile.What is the length in feet (to the nearest foot)of the side of a square having an area of 1.00 acre?

A)660 feet
B)209 feet
C)165 feet
D)412 feet
E)435 feet

Question 78

An American football field,including end zones,is 360 feet long and 160 feet wide.If you needed to describe it for someone in Europe using the metric system,which one of the following quantities would be closest to its area in square meters? (2.54 cm = 1.00 in. )

A)4,920 m²
B)5,350 m²
C)88.0 m²
D)12,100 m²
E)13,200 m²

Question 79

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)

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

Question 80

The following conversion equivalents are given:
1.00 gal = 231 in³, 1.0 ft = 12 in 1.0 min = 60 s. If a pipe delivers water at the rate of 95 gal/min,its rate of flow in ft³/s is closest to

A)0.21 ft³/s.
B)0.19 ft³/s.
C)0.17 ft³/s.
D)0.15 ft³/s.
E)0.14 ft³/s.