Question 1

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

Accepted Answer

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 
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 2

What is the difference between 103.5 and 102.24?

Accepted Answer

A)  1 
B)  1.3 
C)  1.26 
D)  1.260 
E)  1.2600 
A)  1 
B)  1.3 
C)  1.26 
D)  1.260 
E)  1.2600

Question 3

Why is MASS considered a more basic property than WEIGHT?

Accepted Answer

A mass may have weight but the

Question 4

What are the dimensions of area?

Accepted Answer

The answer of What are the dimensions of area?...

Question 5

A scalar quantity is defined as

Accepted Answer

A)  a quantity that is specified by a numerical value only. 
B)  a quantity that is specified by using both a numerical value and a direction. 
A)  a quantity that is specified by a numerical value only. 
B)  a quantity that is specified by using both a numerical value and a direction.

Question 6

Convert 1.2 × 10-3 to decimal notation.

Accepted Answer

A)  1.200 
B)  0.1200 
C)  0.0120 
D)  0.0012 
E)  0.00012 
A)  1.200 
B)  0.1200 
C)  0.0120 
D)  0.0012 
E)  0.00012

Question 7

What are the dimensions of volume?

Accepted Answer

The answer of What are the dimensions of volume?...

Question 8

How many significant figures are in 10,002?

Accepted Answer

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

Question 9

State the general rule for significant figures when adding or subtracting numbers.

Accepted Answer

The final result of an additio

Question 10

Describe an order-of-magnitude estimate.

Accepted Answer

A rough estimate made by round

Question 11

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

Accepted Answer

A)  7.72 × 10-5 m/s2 
B)  2.78 × 10-1 m/s2 
C)  1.30 × 104 m/s2 
D)  3.60 m/s2 
E)  16.7 m/s2 
A)  7.72 × 10-5 m/s2 
B)  2.78 × 10-1 m/s2 
C)  1.30 × 104 m/s2 
D)  3.60 m/s2 
E)  16.7 m/s2

Question 12

Hydraulicists often express rainfall in acre-feet. This is the amount of water required to cover an area of one acre to a depth of one foot. There are 640.0 acres in a square mile, and 5280 feet in one mile. How many cubic feet are there in one acre-foot?

Accepted Answer

The answer of Hydraulicists often express rainfall in acre-feet. This...

Question 13

When dividing several quantities, the number of significant digits in the result must always be

Accepted Answer

A)  larger than the number of significant digits in the most accurate of the quantities. 
B)  equal to the number of significant digits in the most 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 significant digits in the least accurate of the quantities. 
E)  smaller than the number of significant digits in the least accurate of the quantities. 
A)  larger than the number of significant digits in the most accurate of the quantities. 
B)  equal to the number of significant digits in the most 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 significant digits in the least accurate of the quantities. 
E)  smaller than the number of significant digits in the least accurate of the quantities.

Question 14

To get to school, Alice walks 0.25 mile to the bus stop. She takes the bus 1.2 miles to the train station. She takes the train 13 miles and walks the remaining 0.17 mile to work. How far is her commute?

Accepted Answer

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

Question 15

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

Accepted Answer

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

Question 16

The speed v of an object falling with a constant acceleration g can be expressed in terms of g and the distance traveled from the point of release, h, as v = agbhc, where a, b, and c, are dimensionless constants. What must be the values of b and c?

Accepted Answer

Question 17

The Hoover Dam is 726 feet high. What is its height in kilometers?

Accepted Answer

A)  0.726 kilometers 
B)  0.525 kilometers 
C)  0.221 kilometers 
D)  0.275 kilometers 
E)  0.138 kilometers 
A)  0.726 kilometers 
B)  0.525 kilometers 
C)  0.221 kilometers 
D)  0.275 kilometers 
E)  0.138 kilometers

Question 18

The metric prefix for one one-thousandth is

Accepted Answer

A)  milli. 
B)  centi. 
C)  kilo. 
D)  mega. 
E)  giga. 
A)  milli. 
B)  centi. 
C)  kilo. 
D)  mega. 
E)  giga.

Question 19

The national debt is measured in trillions of dollars. Which of the following is a representation of a trillion?

Accepted Answer

A)  1 × 1015 
B)  1 × 1012 
C)  1 × 109 
D)  1 × 106 
E)  1 × 103 
A)  1 × 1015 
B)  1 × 1012 
C)  1 × 109 
D)  1 × 106 
E)  1 × 103

Question 20

Mrs. Jones went on a diet and lost 15 kilograms. How many pounds did she lose?

Accepted Answer

A)  68 pounds 
B)  42 pounds 
C)  38 pounds 
D)  33 pounds 
E)  6.8 pounds 
A)  68 pounds 
B)  42 pounds 
C)  38 pounds 
D)  33 pounds 
E)  6.8 pounds

Exam 1: Introduction to Physics

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

What is the difference between 103.5 and 102.24?

Why is MASS considered a more basic property than WEIGHT?

What are the dimensions of area?

A scalar quantity is defined as

Convert 1.2 × 10-3 to decimal notation.

What are the dimensions of volume?

How many significant figures are in 10,002?

State the general rule for significant figures when adding or subtracting numbers.

Describe an order-of-magnitude estimate.

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

Hydraulicists often express rainfall in acre-feet. This is the amount of water required to cover an area of one acre to a depth of one foot. There are 640.0 acres in a square mile, and 5280 feet in one mile. How many cubic feet are there in one acre-foot?

When dividing several quantities, the number of significant digits in the result must always be

To get to school, Alice walks 0.25 mile to the bus stop. She takes the bus 1.2 miles to the train station. She takes the train 13 miles and walks the remaining 0.17 mile to work. How far is her commute?

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

The speed v of an object falling with a constant acceleration g can be expressed in terms of g and the distance traveled from the point of release, h, as v = agbhc, where a, b, and c, are dimensionless constants. What must be the values of b and c?

The Hoover Dam is 726 feet high. What is its height in kilometers?

The metric prefix for one one-thousandth is

The national debt is measured in trillions of dollars. Which of the following is a representation of a trillion?

Mrs. Jones went on a diet and lost 15 kilograms. How many pounds did she lose?

One-Dimensional Kinematics

Vectors in Physics

Two-Dimensional Kinematics

Newtons Laws of Motion

Applications of Newtons Laws

Work and Kinetic Energy

Potential Energy and Conservation of Energy

Linear Momentum and Collisions

Rotational Kinematics and Energy

Rotational Dynamics and Static Equilibrium

Gravity

Oscillations About Equilibrium

Waves and Sound

Fluids

Temperature and Heat

Phases and Phase Changes

The Laws of Thermodynamics

Electric Charges, Forces, and Fields

Electric Potential and Electric Potential Energy

Electric Current and Direct-Current Circuits

Magnetism

Magnetic Flux and Faradays Law of Induction

Alternating-Current Circuits

Electromagnetic Waves

Geometrical Optics

Optical Instruments

Physical Optics: Interference and Diffraction

Relativity

Quantum Physics

Atomic Physics

Nuclear Physics and Nuclear Radiation

Filters

Convert 1.2 × 10^-3 to decimal notation.

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

The speed v of an object falling with a constant acceleration g can be expressed in terms of g and the distance traveled from the point of release, h, as v = ag^bh^c, where a, b, and c, are dimensionless constants. What must be the values of b and c?