Question 1

What distinguishes a derived unit from a base unit?

Accepted Answer

A derived unit can b

Question 2

What is the mass of a woman who weighs 110 lb?

Accepted Answer

A)  50 kg 
B)  55 kg 
C)  110 kg 
D)  242 kg 
E)  73 kg 
A)  50 kg 
B)  55 kg 
C)  110 kg 
D)  242 kg 
E)  73 kg

Question 3

Given 1 angstrom unit = 10-10 m and 1 fermi = 10-15 m , what is the relationship between these units?

Accepted Answer

A)  1 angstrom = 10-5 fermi 
B)  1 angstrom = 10+25 fermi 
C)  1 angstrom = 10-25 fermi 
D)  1 angstrom = 10+5 fermi 
E)  none of the given answers 
A)  1 angstrom = 10-5 fermi 
B)  1 angstrom = 10+25 fermi 
C)  1 angstrom = 10-25 fermi 
D)  1 angstrom = 10+5 fermi 
E)  none of the given answers

Question 4

The number of significant figures in 0.40 is

Accepted Answer

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

Question 5

0.00325 × 10-8 cm equals

Accepted Answer

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

Question 6

Which of the following numbers has 4 significant figures? Which has 5 significant figures?

Accepted Answer

A)  003000. 
B)  030.0 
C)  4774.00 
D)  29.290 
A)  003000. 
B)  030.0 
C)  4774.00 
D)  29.290

Question 7

60. mi/h is approximately

Accepted Answer

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

Question 8

A ly (light year) (1 mi = 1609 m and 1 yr = 365.25 days)

Accepted Answer

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 
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 9

Express the result of the following calculation, to the proper number of significant figures: 8.4 + 4240.

Accepted Answer

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

Question 10

List the seven base quantities in the SI system.

Accepted Answer

length, mass, time,

Question 11

The SI unit of mass, the kilogram, is currently defined

Accepted Answer

A)  as 10-22 the mass of the Earth's moon. 
B)  as 10-24 the mass of the Earth. 
C)  by a prototype platinum-iridium cylinder kept at the International Bureau of Weights and Measures in Sevres, France. 
D)  the mass of 5.9786332 × 1026 protons. 
E)  by the President's weight. 
A)  as 10-22 the mass of the Earth's moon. 
B)  as 10-24 the mass of the Earth. 
C)  by a prototype platinum-iridium cylinder kept at the International Bureau of Weights and Measures in Sevres, France. 
D)  the mass of 5.9786332 × 1026 protons. 
E)  by the President's weight.

Question 12

What are the dimensions of a square acre of ground if 1 square mile = 640 acres?

Accepted Answer

A)  156' × 156' 
B)  194' × 194' 
C)  209' × 209' 
D)  147' × 147' 
E)  174' × 174' 
A)  156' × 156' 
B)  194' × 194' 
C)  209' × 209' 
D)  147' × 147' 
E)  174' × 174'

Question 13

The number of significant figures a common ruler can measure is

Accepted Answer

A)  zero. 
B)  one. 
C)  three. 
D)  five. 
E)  seven. 
A)  zero. 
B)  one. 
C)  three. 
D)  five. 
E)  seven.

Question 14

How many cm2 equal a m2?

Accepted Answer

A)  104  
B)  10-2  
C)  106  
D)  10-4  
E)  102  
A)  104  
B)  10-2  
C)  106  
D)  10-4  
E)  102

Question 15

Sixty miles/hour is about how many meters/second?

Accepted Answer

A)  1.6 
B)  37 
C)  112 
D)  96 
E)  27 
A)  1.6 
B)  37 
C)  112 
D)  96 
E)  27

Question 16

Which of the following has the greatest number of significant figures?

Accepted Answer

A)  03.1400 
B)  3.142 
C)  0.003142 
D)  314.1 
E)  000.3140 
A)  03.1400 
B)  3.142 
C)  0.003142 
D)  314.1 
E)  000.3140

Question 17

If you are measuring the mass of an elephant, the most appropriate SI unit is the

Accepted Answer

A)  milligram. 
B)  megagram. 
C)  kilogram. 
D)  gram. 
E)  microgram. 
A)  milligram. 
B)  megagram. 
C)  kilogram. 
D)  gram. 
E)  microgram.

Question 18

Express 0.0015671 kg to three significant figures.

Accepted Answer

The answer of Express 0.0015671 kg to three significant figures....

Exam 1: Measurement and Problem Solving

What distinguishes a derived unit from a base unit?

What is the mass of a woman who weighs 110 lb?

Given 1 angstrom unit = 10-10 m and 1 fermi = 10-15 m , what is the relationship between these units?

The number of significant figures in 0.40 is

0.00325 × 10-8 cm equals

Which of the following numbers has 4 significant figures? Which has 5 significant figures?

60. mi/h is approximately

A ly (light year) (1 mi = 1609 m and 1 yr = 365.25 days)

Express the result of the following calculation, to the proper number of significant figures: 8.4 + 4240.

List the seven base quantities in the SI system.

The SI unit of mass, the kilogram, is currently defined

What are the dimensions of a square acre of ground if 1 square mile = 640 acres?

The number of significant figures a common ruler can measure is

How many cm2 equal a m2?

Sixty miles/hour is about how many meters/second?

Which of the following has the greatest number of significant figures?

If you are measuring the mass of an elephant, the most appropriate SI unit is the

Express 0.0015671 kg to three significant figures.

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

Given 1 angstrom unit = 10^-10 m and 1 fermi = 10^-15 m , what is the relationship between these units?

0.00325 × 10^-8 cm equals

How many cm² equal a m²?