Question 1

Which mass is the largest?

Accepted Answer

A)  0.0231 kg 
B)  2.31 $\times$ 10-2 kg 
C)  231 $\times$ 10-4 kg 
D)  23.1 g 
E)  They all represent the same mass. 
A)  0.0231 kg 
B)  2.31 $\times$ 10-2 kg 
C)  231 $\times$ 10-4 kg 
D)  23.1 g 
E)  They all represent the same mass.

Question 2

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

Question 3

Which of the following represents a measurement with four significant figures?

Accepted Answer

A)  0.0231 kg 
B)  1.2249 kg 
C)  2256.23 kg 
D)  11.40 kg 
E)  1154.0 kg 
A)  0.0231 kg 
B)  1.2249 kg 
C)  2256.23 kg 
D)  11.40 kg 
E)  1154.0 kg

Question 4

Two physics students carefully measure the position of an object and report the following results:
Student 1: To get to the object, one should go 3.0 m north and then 4.0 m east.
Student 2: To get to the object, one should go 6.0 m south. Which one of the students is correct?

Accepted Answer

A)  Student 1 only. 
B)  Student 2 only. 
C)  Either student 1 or student 2, but not both, depending on the reference frame chosen by each of the students. 
D)  Both student 1 and student 2 could be right, depending on the reference frame chosen by each of the students. 
E)  Neither student 1 nor student 2, irrespective of the choice of the reference frames. 
A)  Student 1 only. 
B)  Student 2 only. 
C)  Either student 1 or student 2, but not both, depending on the reference frame chosen by each of the students. 
D)  Both student 1 and student 2 could be right, depending on the reference frame chosen by each of the students. 
E)  Neither student 1 nor student 2, irrespective of the choice of the reference frames.

Question 5

The difference between 134.2 km and 4.782 km is

Accepted Answer

A)  129.4180 km. 
B)  129.418 km. 
C)  129.42 km. 
D)  129.4 km. 
E)  129 km. 
A)  129.4180 km. 
B)  129.418 km. 
C)  129.42 km. 
D)  129.4 km. 
E)  129 km.

Exam 1: Space, Time, and Mass

Which mass is the largest?

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

Which of the following represents a measurement with four significant figures?

Two physics students carefully measure the position of an object and report the following results: Student 1: To get to the object, one should go 3.0 m north and then 4.0 m east. Student 2: To get to the object, one should go 6.0 m south. Which one of the students is correct?

The difference between 134.2 km and 4.782 km is

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

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