Question 1

Add   and   and express your answer in milligrams (mg).

Accepted Answer

A) 7.05 × 107 mg 
B) 7.05 × 104 mg 
C) 7.05 × 105 mg 
D) 7.05 × 106 mg 
A) 7.05 × 107 mg 
B) 7.05 × 104 mg 
C) 7.05 × 105 mg 
D) 7.05 × 106 mg

Question 2

The mass of a typical adult woman is closest to

Accepted Answer

A) 20 kg. 
B) 35 kg. 
C) 75 kg. 
D) 150 kg. 
A) 20 kg. 
B) 35 kg. 
C) 75 kg. 
D) 150 kg.

Question 3

0.0001776 can also be expressed as

Accepted Answer

A) 1.776 × 10-3. 
B) 1.776 × 10-4. 
C) 17.72 × 104. 
D) 1772 × 105. 
E) 177.2 × 107. 
A) 1.776 × 10-3. 
B) 1.776 × 10-4. 
C) 17.72 × 104. 
D) 1772 × 105. 
E) 177.2 × 107.

Question 4

The wavelength of a certain laser is   where   Express this wavelength in nanometers.

Accepted Answer

A) 3.5 × 102 nm 
B) 3.5 × 103 nm 
C) 3.5 × 101 nm 
D) 3.5 × 104 nm 
A) 3.5 × 102 nm 
B) 3.5 × 103 nm 
C) 3.5 × 101 nm 
D) 3.5 × 104 nm

Question 5

Approximately how many pennies would you have to stack to reach an average 8-foot ceiling?

Accepted Answer

A) 2 ×   
B) 2 ×   
C) 2 ×   
D) 2 ×   
E) 2 ×   
A) 2 ×   
B) 2 ×   
C) 2 ×   
D) 2 ×   
E) 2 ×

Question 6

A plot of land contains   How many square meters does it contain?

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 7

The current definition of the standard meter of length is based on

Accepted Answer

A) the distance between the earth's equator and north pole. 
B) the distance between the earth and the sun. 
C) the distance traveled by light in a vacuum. 
D) the length of a particular object kept in France. 
A) the distance between the earth's equator and north pole. 
B) the distance between the earth and the sun. 
C) the distance traveled by light in a vacuum. 
D) the length of a particular object kept in France.

Question 8

The period of a pendulum is the time it takes the pendulum to swing back and forth once.If the only dimensional quantities that the period depends on are the acceleration of gravity,g,and the length of the pendulum,ℓ,what combination of g and ℓ must the period be proportional to? (Acceleration has SI units of m ∙ s-2.).

Accepted Answer

A) g/ℓ 
B) gℓ2 
C) gℓ 
D)    
E)    
A) g/ℓ 
B) gℓ2 
C) gℓ 
D)    
E)

Question 9

In addition to 1 m = 39.37 in.,the following exact conversion equivalents are given:       and 1 min = 60 s.If a particle has a velocity of 8.4 miles per hour,its velocity,in m/s,is closest to

Accepted Answer

A) 3.8 m/s. 
B) 3.0 m/s. 
C) 3.4 m/s. 
D) 4.1 m/s. 
E) 4.5 m/s. 
A) 3.8 m/s. 
B) 3.0 m/s. 
C) 3.4 m/s. 
D) 4.1 m/s. 
E) 4.5 m/s.

Question 10

Convert a speed of 4.50 km/h to units of ft/min.(1.00 m = 3.28 ft)

Accepted Answer

A) 0.246 ft/min 
B) 82.3 ft/min 
C) 165 ft/min 
D) 246 ft/min 
E) 886 ft/min 
A) 0.246 ft/min 
B) 82.3 ft/min 
C) 165 ft/min 
D) 246 ft/min 
E) 886 ft/min

Question 11

The number 0.003010 has

Accepted Answer

A) 7 significant figures. 
B) 6 significant figures. 
C) 4 significant figures. 
D) 2 significant figures. 
A) 7 significant figures. 
B) 6 significant figures. 
C) 4 significant figures. 
D) 2 significant figures.

Question 12

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 should be written as

Accepted Answer

A) 0.7 m2. 
B) 0.68 m2. 
C) 0.682 m2. 
D) 0.6818 m2. 
E) 0.68175 m2. 
A) 0.7 m2. 
B) 0.68 m2. 
C) 0.682 m2. 
D) 0.6818 m2. 
E) 0.68175 m2.

Question 13

When determining the number of significant figures in a number,zeroes to the left of the decimal point are never counted.

Accepted Answer

A) True 
 B)False

Question 14

A person on a diet loses   in a week.How many   are lost?

Accepted Answer

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

Question 15

The current definition of the standard second of time is based on

Accepted Answer

A) the frequency of radiation emitted by cesium atoms. 
B) the earth's rotation rate. 
C) the duration of one year. 
D) the oscillation of a particular pendulum kept in France. 
A) the frequency of radiation emitted by cesium atoms. 
B) the earth's rotation rate. 
C) the duration of one year. 
D) the oscillation of a particular pendulum kept in France.

Question 16

The position x,in meters,of an object is given by the equation x = A + Bt + Ct2,where t represents time in seconds.What are the SI units of A,B,and C?

Accepted Answer

A) m,m,m 
B) m,s,s 
C) m,s,s2 
D) m,m/s,m/s2 
E) m/s,m/s2,m/s3 
A) m,m,m 
B) m,s,s 
C) m,s,s2 
D) m,m/s,m/s2 
E) m/s,m/s2,m/s3

Question 17

If an operatic aria lasts for 5.75 min,its length expressed in seconds is x s,where x is

Accepted Answer

A) less than 5.75. 
B) greater than 5.75. 
A) less than 5.75. 
B) greater than 5.75.

Question 18

Estimate the number of pennies that would fit in a box one foot long by one foot wide by one foot tall.

Accepted Answer

A) 5 ×   
B) 5 ×   
C) 5 ×   
D) 5 ×   
E) 5 ×   
A) 5 ×   
B) 5 ×   
C) 5 ×   
D) 5 ×   
E) 5 ×

Question 19

The following exact conversion equivalents are given: 1 m = 100 cm ,1 in = 2.54 cm,and   If a computer screen has an area of 1.27   ,this area is closest to

Accepted Answer

A) 0.00284 m2. 
B) 0.0465 m2. 
C) 0.118 m2. 
D) 0.284 m2. 
E) 4.65 m2. 
A) 0.00284 m2. 
B) 0.0465 m2. 
C) 0.118 m2. 
D) 0.284 m2. 
E) 4.65 m2.

Question 20

What is 56 + (32.00)/(1.2465 + 3.45)written with the correct number of significant figures?

Accepted Answer

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

Exam 1: Concepts of Motion

Add and and express your answer in milligrams (mg).

The mass of a typical adult woman is closest to

0.0001776 can also be expressed as

The wavelength of a certain laser is where Express this wavelength in nanometers.

Approximately how many pennies would you have to stack to reach an average 8-foot ceiling?

A plot of land contains How many square meters does it contain?

The current definition of the standard meter of length is based on

In addition to 1 m = 39.37 in.,the following exact conversion equivalents are given: and 1 min = 60 s.If a particle has a velocity of 8.4 miles per hour,its velocity,in m/s,is closest to

Convert a speed of 4.50 km/h to units of ft/min.(1.00 m = 3.28 ft)

The number 0.003010 has

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 should be written as

When determining the number of significant figures in a number,zeroes to the left of the decimal point are never counted.

A person on a diet loses in a week.How many are lost?

The current definition of the standard second of time is based on

The position x,in meters,of an object is given by the equation x = A + Bt + Ct2,where t represents time in seconds.What are the SI units of A,B,and C?

If an operatic aria lasts for 5.75 min,its length expressed in seconds is x s,where x is

Estimate the number of pennies that would fit in a box one foot long by one foot wide by one foot tall.

The following exact conversion equivalents are given: 1 m = 100 cm ,1 in = 2.54 cm,and If a computer screen has an area of 1.27 ,this area is closest to

What is 56 + (32.00)/(1.2465 + 3.45)written with the correct number of significant figures?

Kinematics in One Dimension

Vectors and Coordinate Systems

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Dynamics I: Motion Along a Line

Newtons Third Law

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Work and Kinetic Energy

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Rotation of a Rigid Body

Newtons Theory of Gravity

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Oscillations

Traveling Waves

Superposition

A Macroscopic Description of Matter

Work, heat, and the First Law of Thermodynamics

The Micromacro Connection

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The position x,in meters,of an object is given by the equation x = A + Bt + Ct²,where t represents time in seconds.What are the SI units of A,B,and C?