Question 1

The unit of mass density might be:

Accepted Answer

A)  pound per cubic foot 
B)  gram per liter 
C)  kilogram per meter 
D)  cubic kilogram per meter 
E)  cubic meter per kilogram 
A)  pound per cubic foot 
B)  gram per liter 
C)  kilogram per meter 
D)  cubic kilogram per meter 
E)  cubic meter per kilogram B

Question 2

Two girders are made of the same material. Girder A is twice as long as girder B and has a cross-sectional area that is twice as great. The ratio of the mass density of girder A to the mass density of girder B is:

Accepted Answer

A)  4 
B)  2 
C)  1 
D)  1/2 
E)  1/4 
A)  4 
B)  2 
C)  1 
D)  1/2 
E)  1/4 C

Question 3

A right circular cylinder with a radius of 2.3 cm and a height of 1.4 m has a volume of:

Accepted Answer

A)  0.20 m3 
B)  0.14 m3 
C)  9.3 *10-3 m3 
D)  2.3* 10-3 m3 
E)  7.4 * 10-4 m3 
A)  0.20 m3 
B)  0.14 m3 
C)  9.3 *10-3 m3 
D)  2.3* 10-3 m3 
E)  7.4 * 10-4 m3 D

Question 4

There is no SI base unit for area because:

Accepted Answer

A)  an area has no thickness; hence no physical standard can be built 
B)  we live in a three (not a two) dimensional world 
C)  it is impossible to express square feet in terms of meters 
D)  area can be expressed in terms of square meters 
E)  area is not an important physical quantity 
A)  an area has no thickness; hence no physical standard can be built 
B)  we live in a three (not a two) dimensional world 
C)  it is impossible to express square feet in terms of meters 
D)  area can be expressed in terms of square meters 
E)  area is not an important physical quantity

Question 5

1 mi is equivalent to 1609 m so 55 mph is:

Accepted Answer

A)  15 m/s 
B)  25 m/s 
C)  66 m/s 
D)  88 m/s 
E)  1500 m/s 
A)  15 m/s 
B)  25 m/s 
C)  66 m/s 
D)  88 m/s 
E)  1500 m/s

Question 6

A square with an edge of exactly 1 cm has an area of:

Accepted Answer

A)  10-6 m2 
B)  10-4 m2 
C)  102 m2 
D)  104 m2 
E)  106 m2 
A)  10-6 m2 
B)  10-4 m2 
C)  102 m2 
D)  104 m2 
E)  106 m2

Question 7

Which of the following weighs about a pound?

Accepted Answer

A)  0.05 kg 
B)  0.5 kg 
C)  5 kg 
D)  50 kg 
E)  500 kg 
A)  0.05 kg 
B)  0.5 kg 
C)  5 kg 
D)  50 kg 
E)  500 kg

Question 8

The number of significant figures in 15.0 is:

Accepted Answer

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

Question 9

A nanosecond is:

Accepted Answer

A)  109 s 
B)  10-9 s 
C)  10-10 s 
D)  1010 s 
E)  10-12 
A)  109 s 
B)  10-9 s 
C)  10-10 s 
D)  1010 s 
E)  10-12

Question 10

A sphere with a radius of 1.7 cm has a surface area of:

Accepted Answer

A)  2.1 *10-5 m2 
B)  9.1 * 10-4 m2 
C)  3.6 * 10-3 m2 
D)  0.11 m2 
E)  36 m2 
A)  2.1 *10-5 m2 
B)  9.1 * 10-4 m2 
C)  3.6 * 10-3 m2 
D)  0.11 m2 
E)  36 m2

Question 11

1.513 + 27.3 =

Accepted Answer

A)  29 
B)  28.8 
C)  28.9 
D)  28.81 
E)  28.813 
A)  29 
B)  28.8 
C)  28.9 
D)  28.81 
E)  28.813

Question 12

The number of significant figures in 0.00150 is:

Accepted Answer

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

Question 13

Suppose A = BC, where A has the dimensionsL/M and C has the dimensionsL/T. Then B has the dimension:

Accepted Answer

A)  T/M 
B)  L2/TM 
C)  TM/L2 
D)  L2T/M 
E)  M/L2T 
A)  T/M 
B)  L2/TM 
C)  TM/L2 
D)  L2T/M 
E)  M/L2T

Question 14

5.0 * 105 + 3.0 *106 =

Accepted Answer

A)  8.0 * 105 
B)  8.0 *106 
C)  5.3 * 105 
D)  3.5 *105 
E)  3.5 *106 
A)  8.0 * 105 
B)  8.0 *106 
C)  5.3 * 105 
D)  3.5 *105 
E)  3.5 *106

Question 15

A right circular cylinder with a radius of 2.3 cm and a height of 1.4 cm has a total surface area of:

Accepted Answer

A)  1.7 * 10-3 m2 
B)  3.2 * 10-3 m2 
C)  2.0 * 10-3 m3 
D)  5.3 * 10-3 m2 
E)  7.4 * 10-3 m2 
A)  1.7 * 10-3 m2 
B)  3.2 * 10-3 m2 
C)  2.0 * 10-3 m3 
D)  5.3 * 10-3 m2 
E)  7.4 * 10-3 m2

Question 16

(5.0 * 104) * (3.0 *10-6) =

Accepted Answer

A)  1.5 * 10-3 
B)  1.5 * 10-1 
C)  1.5 * 101 
D)  1.5 * 103 
E)  1.5*105 
A)  1.5 * 10-3 
B)  1.5 * 10-1 
C)  1.5 * 101 
D)  1.5 * 103 
E)  1.5*105

Question 17

The SI standard of length is based on:

Accepted Answer

A)  the distance from the north pole to the equator along a meridian passing through Paris 
B)  wavelength of light emitted by Hg198 
C)  wavelength of light emitted by Kr86 
D)  a precision meter stick in Paris 
E)  the speed of light 
A)  the distance from the north pole to the equator along a meridian passing through Paris 
B)  wavelength of light emitted by Hg198 
C)  wavelength of light emitted by Kr86 
D)  a precision meter stick in Paris 
E)  the speed of light

Question 18

In 1866, the U. S. Congress defined the U. S. yard as exactly 3600/3937 international meter. This was done primarily because:

Accepted Answer

A)  length can be measured more accurately in meters than in yards 
B)  the meter is more stable than the yard 
C)  this definition relates the common U. S. length units to a more widely used system 
D)  there are more wavelengths in a yard than in a meter 
E)  the members of this Congress were exceptionally intelligent 
A)  length can be measured more accurately in meters than in yards 
B)  the meter is more stable than the yard 
C)  this definition relates the common U. S. length units to a more widely used system 
D)  there are more wavelengths in a yard than in a meter 
E)  the members of this Congress were exceptionally intelligent

Question 19

1 m is equivalent to 3.281 ft. A cube with an edge of 1.5 ft has a volume of:

Accepted Answer

A)  1.2 *102 m3 
B)  9.6 * 10-2 m3 
C)  10.5 m3 
D)  9.5 * 10-2 m3 
E)  0.21 m3 
A)  1.2 *102 m3 
B)  9.6 * 10-2 m3 
C)  10.5 m3 
D)  9.5 * 10-2 m3 
E)  0.21 m3

Question 20

Suppose A = BnCm, where A has dimensions LT, B has dimensions L2T-1, and C has dimensions LT2. Then the exponents n and m have the values:

Accepted Answer

A)  2/3; 1/3 
B)  2; 3 
C)  4/5; -1/5 
D)  1/5; 3/5 
E)  1/2; 1/2 
A)  2/3; 1/3 
B)  2; 3 
C)  4/5; -1/5 
D)  1/5; 3/5 
E)  1/2; 1/2

Exam 1: Measurement

The unit of mass density might be:

Two girders are made of the same material. Girder A is twice as long as girder B and has a cross-sectional area that is twice as great. The ratio of the mass density of girder A to the mass density of girder B is:

A right circular cylinder with a radius of 2.3 cm and a height of 1.4 m has a volume of:

There is no SI base unit for area because:

1 mi is equivalent to 1609 m so 55 mph is:

A square with an edge of exactly 1 cm has an area of:

Which of the following weighs about a pound?

The number of significant figures in 15.0 is:

A nanosecond is:

A sphere with a radius of 1.7 cm has a surface area of:

1.513 + 27.3 =

The number of significant figures in 0.00150 is:

Suppose A = BC, where A has the dimensionsL/M and C has the dimensionsL/T. Then B has the dimension:

5.0 * 105 + 3.0 *106 =

A right circular cylinder with a radius of 2.3 cm and a height of 1.4 cm has a total surface area of:

(5.0 * 104) * (3.0 *10-6) =

The SI standard of length is based on:

In 1866, the U. S. Congress defined the U. S. yard as exactly 3600/3937 international meter. This was done primarily because:

1 m is equivalent to 3.281 ft. A cube with an edge of 1.5 ft has a volume of:

Suppose A = BnCm, where A has dimensions LT, B has dimensions L2T-1, and C has dimensions LT2. Then the exponents n and m have the values:

Motion Along a Straight Line

Vector

Motion in Two and Three Dimensions

Force and Motion I

Force and Motion II

Kinetic Energy and Work

Potential Energy and Conservation of Energy

Center of Mass and Linear Momentum

Rotation

Rolling, Torque, and Angular Momentum

Equilibrium and Elasticity

Gravitation

Fluids

Oscillations

Waves I

Waves II

Temperature, Heat, and the First Law of Thermodynamics

The Kinetic Theory of Gases

Entropy and the Second Law of Thermodynamics

Electric Charge

Electric Fields

Gauss Law

Electric Potential

Capacitance

Current and Resistance

Circuits

Magnetic Fields

Magnetic Fields Due to Currents

Induction and Inductance

Electromagnetic Oscillations and Alternating Current

Maxwells Equations; Magnetism of Matter

Electromagnetic Waves

Images

Interference

Diffraction

Relativity

Photons and Matter Waves

More About Matter Waves

All About Atoms

Conduction of Electricity in Solids

Nuclear Physics

Energy From the Nucleus

Quarks, Leptons, and the Big Bang

Filters

5.0 * 10⁵ + 3.0 *10⁶ =

(5.0 * 10⁴⁾ * (3.0 *10^-⁶) =

Suppose A = BⁿC^m, where A has dimensions LT, B has dimensions L²T^-¹, and C has dimensions LT². Then the exponents n and m have the values: