Question 1

Six pounds on Earth has what weight on the moon?

Accepted Answer

A)  1. lb 
B)  1. kg 
C)  1/6 lb 
D)  6. lb 
E)  36. lb 
A)  1. lb 
B)  1. kg 
C)  1/6 lb 
D)  6. lb 
E)  36. lb

Question 2

The mass of Mars, 6.40 × 1023 kg, is about one-tenth that of the Earth, and its radius, 3395 km, is about half that of Earth. What is the mean density of Mars?

Accepted Answer

Question 3

An area of 100 cm2 is how many square meters?

Accepted Answer

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

Question 4

A 2-L bottle of soda gives you more for your money than a 2-qt bottle would, at the same price.

Accepted Answer

A) True 
 B)False

Question 5

Zeros between non-zero numbers are significant.

Accepted Answer

A) True 
 B)False

Question 6

One metric ton is 2000 lb.

Accepted Answer

A) True 
 B)False

Question 7

The average density of blood is 1.06 × 103 kg/m3. If you donate a pint of blood to the Red Cross, what mass of blood have you donated, in grams? (1 pt = 1/2 L, 1 L = 1000 cm3)

Accepted Answer

A)  5.30 × 103 g 
B)  5.30 × 105 g 
C)  5.30 g 
D)  0.530 g 
E)  530 g 
A)  5.30 × 103 g 
B)  5.30 × 105 g 
C)  5.30 g 
D)  0.530 g 
E)  530 g

Question 8

The ratio R at which paint can be sprayed from a spray gun may be expressed as R = a · t.
If R is measured in m3/s, and time is measured in seconds, what are the units of "a"?

Accepted Answer

A)  m3 s 
B)  m3 s3 
C)  m3/s 
D)  m3 
E)  m3/ s2 
A)  m3 s 
B)  m3 s3 
C)  m3/s 
D)  m3 
E)  m3/ s2

Question 9

If we learn that F = G mM/d2 where the units are F:Newtons, m:kg, M:kg, and d:meters; what are the units of G?

Accepted Answer

Newton-met

Question 10

How many significant figures are in 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 11

When adding several quantities, the number of decimal places in the result must always be

Accepted Answer

A)  larger than the number of decimal places in the most accurate of the quantities. 
B)  equal to the number of decimal places in the least accurate of the quantities. 
C)  equal to the average number of significant digits in the most and least accurate of the quantities. 
D)  equal to the number of decimal places in the most accurate of the quantities. 
E)  smaller than the number of decimal places in the least accurate of the quantities. 
A)  larger than the number of decimal places in the most accurate of the quantities. 
B)  equal to the number of decimal places in the least accurate of the quantities. 
C)  equal to the average number of significant digits in the most and least accurate of the quantities. 
D)  equal to the number of decimal places in the most accurate of the quantities. 
E)  smaller than the number of decimal places in the least accurate of the quantities.

Question 12

Which of the following is a  megawatt?

Accepted Answer

A)  106 W 
B)  109 W 
C)  10-9 W 
D)  1000 W 
E)  10-6 W 
A)  106 W 
B)  109 W 
C)  10-9 W 
D)  1000 W 
E)  10-6 W

Question 13

Define and explain the meaning of DENSITY.

Accepted Answer

Density expresses ho

Question 14

If we find v = A ?, where ? is a length and v is a speed, what are the mks units for the A?

Accepted Answer

A)  m2/s 
B)  s 
C)  s-1 
D)  kg-m/s 
E)  m/s2 
A)  m2/s 
B)  s 
C)  s-1 
D)  kg-m/s 
E)  m/s2

Question 15

What is the conversion factor between km/h2 and m/s2?

Accepted Answer

A)  7.72 × 10-5 m/s2 
B)  3.60 m/s2 
C)  1.30 × 104 m/s2 
D)  36.0 m/s2 
E)  2.78 × 10-1 m/s2 
A)  7.72 × 10-5 m/s2 
B)  3.60 m/s2 
C)  1.30 × 104 m/s2 
D)  36.0 m/s2 
E)  2.78 × 10-1 m/s2

Question 16

The base SI unit of mass is

Accepted Answer

A)  gram. 
B)  kilogram. 
C)  slug. 
D)  newton. 
E)  milligram. 
A)  gram. 
B)  kilogram. 
C)  slug. 
D)  newton. 
E)  milligram.

Question 17

A sunken treasure sits on the ocean floor at a depth of 240 fathoms. What is this depth, in feet? (1 fathom = 6 ft)

Accepted Answer

A)  77. 
B)  240. 
C)  40. 
D)  1.44 × 103  
E)  30. 
A)  77. 
B)  240. 
C)  40. 
D)  1.44 × 103  
E)  30.

Question 18

If the tank of a car holds 16. gallons of gasoline
(a) this is equivalent to how many liters of gasoline?
(b) how many kilometers can it travel on one tank if it gets 25 miles/gal?

Accepted Answer

(a) 61. li

Question 19

Express the result of the following calculation, to the proper number of significant figures: (0.02739) x (-240,000).

Accepted Answer

The answer of Express the result of the following calculation,...

Question 20

Express the following number to three significant figures: 21.25 m

Accepted Answer

The answer of Express the following number to three significant...

Exam 1: Measurement and Problem Solving

Six pounds on Earth has what weight on the moon?

The mass of Mars, 6.40 × 1023 kg, is about one-tenth that of the Earth, and its radius, 3395 km, is about half that of Earth. What is the mean density of Mars?

An area of 100 cm2 is how many square meters?

A 2-L bottle of soda gives you more for your money than a 2-qt bottle would, at the same price.

Zeros between non-zero numbers are significant.

One metric ton is 2000 lb.

The average density of blood is 1.06 × 103 kg/m3. If you donate a pint of blood to the Red Cross, what mass of blood have you donated, in grams? (1 pt = 1/2 L, 1 L = 1000 cm3)

The ratio R at which paint can be sprayed from a spray gun may be expressed as R = a · t. If R is measured in m3/s, and time is measured in seconds, what are the units of "a"?

If we learn that F = G mM/d2 where the units are F:Newtons, m:kg, M:kg, and d:meters; what are the units of G?

How many significant figures are in 0.0037010?

When adding several quantities, the number of decimal places in the result must always be

Which of the following is a megawatt?

Define and explain the meaning of DENSITY.

If we find v = A ?, where ? is a length and v is a speed, what are the mks units for the A?

What is the conversion factor between km/h2 and m/s2?

The base SI unit of mass is

A sunken treasure sits on the ocean floor at a depth of 240 fathoms. What is this depth, in feet? (1 fathom = 6 ft)

If the tank of a car holds 16. gallons of gasoline (a) this is equivalent to how many liters of gasoline? (b) how many kilometers can it travel on one tank if it gets 25 miles/gal?

Express the result of the following calculation, to the proper number of significant figures: (0.02739) x (-240,000).

Express the following number to three significant figures: 21.25 m

Kinematics: Description of Motion

Motion in Two Dimensions

Force and Motion

Work and Energy

Linear Momentum and Collisions

Circular Motion and Gravitation

Rotational Motion and Equilibrium

Solids and Fluids

Temperature and Kinetic Theory

Heat

Thermodynamics

Vibrations and Waves

Sound

Electric Charge, Forces, and Fields

Electric Potential, Energy, and Capacitance

Electric Current and Resistance

Basic Electric Circuits

Magnetism

Electromagnetic Induction and Waves

AC Circuits

Reflection and Refraction of Light

Mirrors and Lenses

Physical Optics: The Wave Nature of Light

Vision and Optical Instruments

Relativity

Quantum Physics

Quantum Mechanics and Atomic Physics

The Nucleus

Nuclear Reactions and Elementary Particles

Filters

The mass of Mars, 6.40 × 10²³ kg, is about one-tenth that of the Earth, and its radius, 3395 km, is about half that of Earth. What is the mean density of Mars?

An area of 100 cm² is how many square meters?

The average density of blood is 1.06 × 10³ kg/m³. If you donate a pint of blood to the Red Cross, what mass of blood have you donated, in grams? (1 pt = 1/2 L, 1 L = 1000 cm³)

The ratio R at which paint can be sprayed from a spray gun may be expressed as R = a · t. If R is measured in m³/s, and time is measured in seconds, what are the units of "a"?

If we learn that F = G mM/d² where the units are F:Newtons, m:kg, M:kg, and d:meters; what are the units of G?

What is the conversion factor between km/h² and m/s²?