Question 1

What is the cosine of 55°?

Accepted Answer

A)  0.6 
B)  0.57 
C)  0.574 
D)  0.5736 
E)  0.57360 
A)  0.6 
B)  0.57 
C)  0.574 
D)  0.5736 
E)  0.57360

Question 2

A typical ruby-throated hummingbird is 8 centimeters long. Express its length in millimeters and dekameters.

Accepted Answer

A)  80 mm; 0.8 dam 
B)  80 mm; 0.008 dam 
C)  800 mm; 0.008 dam 
D)  800 mm; 0.8 dam 
E)  0.8 mm; 80 dam 
A)  80 mm; 0.8 dam 
B)  80 mm; 0.008 dam 
C)  800 mm; 0.008 dam 
D)  800 mm; 0.8 dam 
E)  0.8 mm; 80 dam

Question 3

What does the prefix giga- stand for?

Accepted Answer

The answer of What does the prefix giga- stand for?...

Question 4

Estimate the number of times Earth will rotate on its axis during a human's lifetime.

Accepted Answer

A)  3 × 104 
B)  3 × 105 
C)  3 × 106 
D)  3 × 107 
E)  3 x 108 
A)  3 × 104 
B)  3 × 105 
C)  3 × 106 
D)  3 × 107 
E)  3 x 108

Question 5

Jane has about $536 in her checking account, about $2107 in her savings account and exactly $7.62 in her purse. To the best precision possible, how much money does Jane have?

Accepted Answer

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

Question 6

How many significant figures are in 0.00054?

Accepted Answer

A)  2 
B)  3 
C)  4 
D)  5 
E)  6 
A)  2 
B)  3 
C)  4 
D)  5 
E)  6

Question 7

The metric prefix for one thousand is

Accepted Answer

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

Question 8

How many significant figures are in 0.0067?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  5 
A)  1 
B)  2 
C)  3 
D)  4 
E)  5

Question 9

When subtracting 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 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 decimal places in the least 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 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 decimal places in the least accurate of the quantities. 
E)  smaller than the number of decimal places in the least accurate of the quantities.

Question 10

The density of a solid object is defined as the ratio of the mass of the object to its volume. The dimension of density is

Accepted Answer

A)  [M]/[L]. 
B)  [L]3/[M]. 
C)  [M] [L]-3. 
D)  [M][L][T]. 
E)  [M][L]. 
A)  [M]/[L]. 
B)  [L]3/[M]. 
C)  [M] [L]-3. 
D)  [M][L][T]. 
E)  [M][L].

Question 11

A vector 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 12

The metric prefix for one one-hundredth is

Accepted Answer

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

Question 13

The time P required for a spring-mass system to complete one full oscillation can be expressed in terms of the attached mass m and the spring constant of the spring k in the form P = kmbkc, where k, b, and c are dimensionless constants. What must be the values of b and c? The dimensions of k are [M]/[T]2.

Accepted Answer

Question 14

A drinking glass has a diameter of 2.5 inches and is 5.5 inches tall. What is the volume of the drinking glass in cubic centimeters?

Accepted Answer

A)  170 cubic cm 
B)  440 cubic cm 
C)  350 cubic cm 
D)  710 cubic cm 
E)  530 cubic cm 
A)  170 cubic cm 
B)  440 cubic cm 
C)  350 cubic cm 
D)  710 cubic cm 
E)  530 cubic cm

Question 15

Rover eats 0.50 pound of dry dog food per day. How many 5.0-kilogram sacks of dog food does his owner need to buy in a year?

Accepted Answer

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

Question 16

There are 640 acres in a square mile, and 5280 feet in one mile. How many acres are there in a hectare, a square one hundred meters on each side?

Accepted Answer

The answer of There are 640 acres in a square...

Question 17

How many cm2 equal a m2?

Accepted Answer

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

Question 18

The position, x, of an object is given by the equation x = A + Bt +Ct2, where t refers to time. What are the dimensions of A, B, and C?

Accepted Answer

A)  distance, distance, distance 
B)  distance, time, time 
C)  distance, time, time2 
D)  distance, distance/time, distance/time2 
E)  distance/time, distance/time2, distance/time3 
A)  distance, distance, distance 
B)  distance, time, time 
C)  distance, time, time2 
D)  distance, distance/time, distance/time2 
E)  distance/time, distance/time2, distance/time3

Question 19

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

Accepted Answer

A)  5 × 102 
B)  5 × 103 
C)  5 × 104 
D)  5 × 105 
E)  5 × 106 
A)  5 × 102 
B)  5 × 103 
C)  5 × 104 
D)  5 × 105 
E)  5 × 106

Question 20

The meter is currently defined as

Accepted Answer

A)  the distance between two etched lines in a platinum-iridium bar kept in S   vres, France. 
B)  the distance between two etched lines in a platinum-iridium bar kept in Washington, D.C. 
C)  one ten-millionth of the distance between the North pole and the equator. 
D)  the distance traveled by light in 1/299,792,458 of a second. 
E)  1,553,164.1 wavelengths of red cadmium light in dry air at 25°C. 
A)  the distance between two etched lines in a platinum-iridium bar kept in S   vres, France. 
B)  the distance between two etched lines in a platinum-iridium bar kept in Washington, D.C. 
C)  one ten-millionth of the distance between the North pole and the equator. 
D)  the distance traveled by light in 1/299,792,458 of a second. 
E)  1,553,164.1 wavelengths of red cadmium light in dry air at 25°C.

Exam 1: Introduction to Physics

What is the cosine of 55°?

A typical ruby-throated hummingbird is 8 centimeters long. Express its length in millimeters and dekameters.

What does the prefix giga- stand for?

Estimate the number of times Earth will rotate on its axis during a human's lifetime.

Jane has about $536 in her checking account, about $2107 in her savings account and exactly $7.62 in her purse. To the best precision possible, how much money does Jane have?

How many significant figures are in 0.00054?

The metric prefix for one thousand is

How many significant figures are in 0.0067?

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

The density of a solid object is defined as the ratio of the mass of the object to its volume. The dimension of density is

A vector quantity is defined as

The metric prefix for one one-hundredth is

A drinking glass has a diameter of 2.5 inches and is 5.5 inches tall. What is the volume of the drinking glass in cubic centimeters?

Rover eats 0.50 pound of dry dog food per day. How many 5.0-kilogram sacks of dog food does his owner need to buy in a year?

There are 640 acres in a square mile, and 5280 feet in one mile. How many acres are there in a hectare, a square one hundred meters on each side?

How many cm2 equal a m2?

The position, x, of an object is given by the equation x = A + Bt +Ct2, where t refers to time. What are the dimensions of A, B, and C?

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

The meter is currently defined as

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

How many cm² equal a m²?

The position, x, of an object is given by the equation x = A + Bt +Ct², where t refers to time. What are the dimensions of A, B, and C?