Question 1

All of the following inequalities for length units are correct except

Accepted Answer

A)  1 yard > 1 meter. 
B)  1 mile > 1 kilometer. 
C)  1 inch > 1 centimeter. 
D)  1 foot > 10 centimeters. 
E)  1 meter > 1 foot. 
A)  1 yard > 1 meter. 
B)  1 mile > 1 kilometer. 
C)  1 inch > 1 centimeter. 
D)  1 foot > 10 centimeters. 
E)  1 meter > 1 foot. A

Question 2

Assume the following relationship between two hypothetical volume units: 2 "squirts" = 7 "drips." The number of "drips" in one "squirt" is

Accepted Answer

A)  1/7. 
B)  2/7. 
C)  7. 
D)  7/2. 
E)  7/1. 
A)  1/7. 
B)  2/7. 
C)  7. 
D)  7/2. 
E)  7/1. D

Question 3

The maximum speed limit on certain highways is 70 mi/h in the United States and 120 km/h in Europe. The highest speed limit is

Accepted Answer

A)  in Europe. 
B)  in the United States. 
C)  the same in both regions. 
A)  in Europe. 
B)  in the United States. 
C)  the same in both regions. A

Question 4

All of the following "equalities" are approximately true (that is, are within a factor of two of being exact) except

Accepted Answer

A)  2 centimeters = 1 inch. 
B)  2 kilometers = 1 mile. 
C)  2 meters = 1 foot. 
D)  2 liters = 1 gallon. 
E)  2 pounds = 1 kilogram. 
A)  2 centimeters = 1 inch. 
B)  2 kilometers = 1 mile. 
C)  2 meters = 1 foot. 
D)  2 liters = 1 gallon. 
E)  2 pounds = 1 kilogram.

Question 5

Two witnesses to a car accident are asked to testify in court. Here are their statements:
Witness 1: I was standing at the pedestrian crossing at Blue Square when the car in question was moving at high speed toward the left.
Witness 2: I was standing at the pedestrian crossing at Blue Square when the car in question was moving at high speed toward the right. Do the witnesses contradict each other?

Accepted Answer

A)  Definitely yes. 
B)  Definitely no. 
C)  It depends on the reference frame adopted by each of the witnesses. 
A)  Definitely yes. 
B)  Definitely no. 
C)  It depends on the reference frame adopted by each of the witnesses.

Question 6

To estimate the height of a pillar, you walk about 70 steps from the pillar. At this point, the angle made by the line of sight to the top of the pillar with the horizontal is 30o. The height of the pillar is

Accepted Answer

A)  10 m. 
B)  20 m. 
C)  50 m. 
D)  80 m. 
E)  100 m. 
A)  10 m. 
B)  20 m. 
C)  50 m. 
D)  80 m. 
E)  100 m.

Question 7

A good estimate of the number of cars stuck in traffic on a four-lane freeway in one mile is

Accepted Answer

A)  10. 
B)  103. 
C)  105. 
D)  107. 
E)  1010. 
A)  10. 
B)  103. 
C)  105. 
D)  107. 
E)  1010.

Question 8

A good estimate of the number of cans of soda needed to fill an Olympic-size swimming pool is

Accepted Answer

A)  103. 
B)  105. 
C)  107. 
D)  109. 
E)  1011. 
A)  103. 
B)  105. 
C)  107. 
D)  109. 
E)  1011.

Question 9

If 1 in. is approximately equal to 2.5 cm, then 1.0 in.2 of surface area is approximately

Accepted Answer

A)  1/(6.3) cm2. 
B)  1/(2.5) cm2. 
C)  1.0 cm2. 
D)  2.5 cm2. 
E)  6.3 cm2. 
A)  1/(6.3) cm2. 
B)  1/(2.5) cm2. 
C)  1.0 cm2. 
D)  2.5 cm2. 
E)  6.3 cm2.

Question 10

The volume of a cube of side 4.26 cm is

Accepted Answer

A)  77.308 $\times$ 10+6 m3. 
B)  77.3 $\times$ 10+6 m3. 
C)  77 m3. 
D)  77.3 $\times$ 10-6 m3. 
E)  77.308 $\times$ 10-6 m3. 
A)  77.308 $\times$ 10+6 m3. 
B)  77.3 $\times$ 10+6 m3. 
C)  77 m3. 
D)  77.3 $\times$ 10-6 m3. 
E)  77.308 $\times$ 10-6 m3.

Question 11

A rectangle is 4.55 m long and 2.3 m wide. The area of the rectangle is

Accepted Answer

A)  10.46 m2. 
B)  10.5 m2. 
C)  10 m2. 
D)  10.50 m2. 
E)  10.460 m2. 
A)  10.46 m2. 
B)  10.5 m2. 
C)  10 m2. 
D)  10.50 m2. 
E)  10.460 m2.

Question 12

The number of angstroms (1 angstrom = 10-10 m) in 5 fermi (1 fermi = 10-15 m) is

Accepted Answer

A)  5 $\times$ 10-5. 
B)  5 $\times$ 10-4. 
C)  2 $\times$ 10-5. 
D)  2 $\times$ 10+4. 
E)  5 $\times$ 10+5. 
A)  5 $\times$ 10-5. 
B)  5 $\times$ 10-4. 
C)  2 $\times$ 10-5. 
D)  2 $\times$ 10+4. 
E)  5 $\times$ 10+5.

Question 13

The most precise scientific standard of mass is based on

Accepted Answer

A)  a specified fraction of the mass of the Earth. 
B)  the mass of a specific piece of material kept at special conditions. 
C)  a property of a particular kind of atom. 
D)  the speed of light. 
E)  an iron atom. 
A)  a specified fraction of the mass of the Earth. 
B)  the mass of a specific piece of material kept at special conditions. 
C)  a property of a particular kind of atom. 
D)  the speed of light. 
E)  an iron atom.

Question 14

A good estimate of the speed of a cliff diver entering the water is

Accepted Answer

A)  10-1m/s. 
B)  1 m/s. 
C)  10 m/s. 
D)  102 m/s. 
E)  103 m/s. 
A)  10-1m/s. 
B)  1 m/s. 
C)  10 m/s. 
D)  102 m/s. 
E)  103 m/s.

Question 15

Which of the following units is not a fundamental unit in the international system of units?

Accepted Answer

A)  meter 
B)  kilogram 
C)  hour 
D)  all of the above 
E)  none of the above 
A)  meter 
B)  kilogram 
C)  hour 
D)  all of the above 
E)  none of the above

Question 16

Pararescue jumpers leave the helicopter when it is flying "10 and 10," meaning that the helicopter is 10 ft above the water and moving at a speed of 10 knots (1 knot = 1 nautical mi/h = 1.852 km/h). The international system of units equivalent of "10 and 10" is

Accepted Answer

A)  3 and 5. 
B)  3 and 19. 
C)  10 and 19. 
D)  30 and 31. 
E)  30 and 37. 
A)  3 and 5. 
B)  3 and 19. 
C)  10 and 19. 
D)  30 and 31. 
E)  30 and 37.

Question 17

The number of significant figures in 23.410 kg is

Accepted Answer

A)  2. 
B)  3. 
C)  4. 
D)  5. 
E)  none of the above. 
A)  2. 
B)  3. 
C)  4. 
D)  5. 
E)  none of the above.

Question 18

The most precise scientific standard of length is based on

Accepted Answer

A)  a specified fraction of the distance from the pole to the equator on Earth. 
B)  the distance separating two marks on a bar carefully kept at special conditions. 
C)  a property of a particular kind of atom. 
D)  the diameter of our Galaxy. 
E)  the speed of light in a vacuum. 
A)  a specified fraction of the distance from the pole to the equator on Earth. 
B)  the distance separating two marks on a bar carefully kept at special conditions. 
C)  a property of a particular kind of atom. 
D)  the diameter of our Galaxy. 
E)  the speed of light in a vacuum.

Question 19

The number of significant figures in 0.0213 kg is

Accepted Answer

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

Question 20

To describe the motion of a particle, one needs to specify

Accepted Answer

A)  its position. 
B)  the time at which the particle has a certain position. 
C)  its position and the time at which it has this position. 
D)  its position in a certain reference frame and the time at which it has this position. 
A)  its position. 
B)  the time at which the particle has a certain position. 
C)  its position and the time at which it has this position. 
D)  its position in a certain reference frame and the time at which it has this position.

Exam 1: Space, Time, and Mass

All of the following inequalities for length units are correct except

Assume the following relationship between two hypothetical volume units: 2 "squirts" = 7 "drips." The number of "drips" in one "squirt" is

The maximum speed limit on certain highways is 70 mi/h in the United States and 120 km/h in Europe. The highest speed limit is

All of the following "equalities" are approximately true (that is, are within a factor of two of being exact) except

To estimate the height of a pillar, you walk about 70 steps from the pillar. At this point, the angle made by the line of sight to the top of the pillar with the horizontal is 30o. The height of the pillar is

A good estimate of the number of cars stuck in traffic on a four-lane freeway in one mile is

A good estimate of the number of cans of soda needed to fill an Olympic-size swimming pool is

If 1 in. is approximately equal to 2.5 cm, then 1.0 in.2 of surface area is approximately

The volume of a cube of side 4.26 cm is

A rectangle is 4.55 m long and 2.3 m wide. The area of the rectangle is

The number of angstroms (1 angstrom = 10-10 m) in 5 fermi (1 fermi = 10-15 m) is

The most precise scientific standard of mass is based on

A good estimate of the speed of a cliff diver entering the water is

Which of the following units is not a fundamental unit in the international system of units?

Pararescue jumpers leave the helicopter when it is flying "10 and 10," meaning that the helicopter is 10 ft above the water and moving at a speed of 10 knots (1 knot = 1 nautical mi/h = 1.852 km/h). The international system of units equivalent of "10 and 10" is

The number of significant figures in 23.410 kg is

The most precise scientific standard of length is based on

The number of significant figures in 0.0213 kg is

To describe the motion of a particle, one needs to specify

Motion Along a Straight Line

Vectors

Motion in Two and Three Dimensions

Newtons Laws of Motion

Further Applications of Newtons Laws

Work and Energy

Conservation of Energy

Gravitation

Systems of Particles

Collisions

Rotation of a Rigid Body

Dynamics of a Rigid Body

Statics and Elasticity

Oscillations

Waves

Sound

Fluid Mechanics

The Ideal Gas

Heat

Thermodynamics

Electric Force and the Electric Charge

The Electric Field

Gauss Law

Electrostatic Potential and Energy

Capacitors and Dielectrics

Currents and Ohms Law

Direct Current Circuits

Magnetic Force and Field

Charges and Currents in Magnetic Fields

Electromagnetic Induction

Alternating Current Circuits

Electromagnetic Waves

Reflection, Refraction, and Optics

Interference and Diffraction

The Theory of Special Relativity

Quanta of Light

Spectral Lines, Bohrs Theory, and Quantum Mechanics

Quantum Structure of Atoms, Molecules, and Solids

Nuclei

Elementary Particles and Cosmology

Filters

To estimate the height of a pillar, you walk about 70 steps from the pillar. At this point, the angle made by the line of sight to the top of the pillar with the horizontal is 30^o. The height of the pillar is

If 1 in. is approximately equal to 2.5 cm, then 1.0 in.² of surface area is approximately

The number of angstroms (1 angstrom = 10^-10 m) in 5 fermi (1 fermi = 10^-15 m) is