Question 1

Which one of the following quantities is equivalent to 1 Ω?

Accepted Answer

A)  1 W/A 
B)  1 V · A 
C)  1 J/s 
D)  1 A · s 
E)  1 V/A 
A)  1 W/A 
B)  1 V · A 
C)  1 J/s 
D)  1 A · s 
E)  1 V/A

Question 2

An object is moving with constant non-zero acceleration in the   direction. The position versus time graph of this object is

Accepted Answer

A)  a horizontal straight line. 
B)  a vertical straight line. 
C)  a straight line making an angle with the time axis. 
D)  a parabolic curve. 
A)  a horizontal straight line. 
B)  a vertical straight line. 
C)  a straight line making an angle with the time axis. 
D)  a parabolic curve.

Question 3

An object is attached to a vertical spring and bobs up and down between points A and B. Where is the object located when its elastic potential energy is a maximum?

Accepted Answer

A)  midway between A and B 
B)  one-fourth of the way between A and B 
C)  at either A or B 
D)  one-third of the way between A and B 
E)  at none of the above points 
A)  midway between A and B 
B)  one-fourth of the way between A and B 
C)  at either A or B 
D)  one-third of the way between A and B 
E)  at none of the above points

Question 4

A simple pendulum and a mass oscillating on an ideal spring both have period T in an elevator at rest. If the elevator now accelerates downward uniformly at 2 m/s², what is true about the periods
Of these two systems?

Accepted Answer

A)  The period of the pendulum would decrease but the period of the spring would stay the same. 
B)  Both periods would remain the same. 
C)  Both periods would decrease. 
D)  Both periods would increase. 
E)  The period of the pendulum would increase but the period of the spring would stay the same. 
A)  The period of the pendulum would decrease but the period of the spring would stay the same. 
B)  Both periods would remain the same. 
C)  Both periods would decrease. 
D)  Both periods would increase. 
E)  The period of the pendulum would increase but the period of the spring would stay the same.

Question 5

Water flows through a pipe. The diameter of the pipe at point B is larger than at point A. Where is the water pressure greatest?

Accepted Answer

A)  at point A 
B)  at point B 
C)  It is the same at both A and B. 
A)  at point A 
B)  at point B 
C)  It is the same at both A and B.

Question 6

One of the harmonics of a column of air in a tube that is open at one end and closed at the other has a frequency of 448 Hz, and the next higher harmonic has a frequency of 576 Hz. How long is
The tube? The speed of sound in air is 343 m/s.

Accepted Answer

A)  0.335 m 
B)  2.68 m 
C)  0.670 m 
D)  1.00 m 
E)  1.34 m 
A)  0.335 m 
B)  2.68 m 
C)  0.670 m 
D)  1.00 m 
E)  1.34 m

Question 7

Consider two copper wires of equal cross-sectional area. One wire has 3 times the length of the other. How do the resistivities of these two wires compare?

Accepted Answer

A)  The longer wire has 27 times times the resistivity of the shorter wire. 
B)  The longer wire has 9 times times the resistivity of the shorter wire. 
C)  The longer wire has 3 times the resistivity of the shorter wire. 
D)  Both wires have the same resistivity. 
A)  The longer wire has 27 times times the resistivity of the shorter wire. 
B)  The longer wire has 9 times times the resistivity of the shorter wire. 
C)  The longer wire has 3 times the resistivity of the shorter wire. 
D)  Both wires have the same resistivity.

Which one of the following quantities is equivalent to 1 Ω?

An object is moving with constant non-zero acceleration in the direction. The position versus time graph of this object is

An object is attached to a vertical spring and bobs up and down between points A and B. Where is the object located when its elastic potential energy is a maximum?

A simple pendulum and a mass oscillating on an ideal spring both have period T in an elevator at rest. If the elevator now accelerates downward uniformly at 2 m/s², what is true about the periods Of these two systems?

Water flows through a pipe. The diameter of the pipe at point B is larger than at point A. Where is the water pressure greatest?

One of the harmonics of a column of air in a tube that is open at one end and closed at the other has a frequency of 448 Hz, and the next higher harmonic has a frequency of 576 Hz. How long is The tube? The speed of sound in air is 343 m/s.

Consider two copper wires of equal cross-sectional area. One wire has 3 times the length of the other. How do the resistivities of these two wires compare?

Introduction, Measurement, Estimating

Kinematics in Two Dimensions; Vectors

Dynamics: Newtons Laws of Motion

Circular Motion; Gravitation

Work and Energy

Linear Momentum

Rotational Motion

Static Equilibrium; Elasticity and Fracture

Fluids

Oscillations and Waves

Sound

Temperature and Kinetic Theory

Heat

The Laws of Thermodynamics

Electric Charge and Electric Field

Electric Potential

Electric Currents

Dc Circuits

Magnetism

Electromagnetic Induction and Faradays Law

Electromagnetic Waves

Light: Geometric Optics

The Wave Nature of Light

Optical Instruments

The Special Theory of Relativity

Early Quantum Theory and Models of the Atom

Quantum Mechanics of Atoms

Molecules and Solids

Nuclear Physics and Radioactivity

Nuclear Energy; Effects and Uses of Radiation

Elementary Particles

Astrophysics and Cosmology

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Exam 2: Describing Motion: Kinematics in One Dimension

Which one of the following quantities is equivalent to 1 Ω?

An object is moving with constant non-zero acceleration in the direction. The position versus time graph of this object is

An object is attached to a vertical spring and bobs up and down between points A and B. Where is the object located when its elastic potential energy is a maximum?

A simple pendulum and a mass oscillating on an ideal spring both have period T in an elevator at rest. If the elevator now accelerates downward uniformly at 2 m/s², what is true about the periods Of these two systems?

Water flows through a pipe. The diameter of the pipe at point B is larger than at point A. Where is the water pressure greatest?

One of the harmonics of a column of air in a tube that is open at one end and closed at the other has a frequency of 448 Hz, and the next higher harmonic has a frequency of 576 Hz. How long is The tube? The speed of sound in air is 343 m/s.

Consider two copper wires of equal cross-sectional area. One wire has 3 times the length of the other. How do the resistivities of these two wires compare?

Introduction, Measurement, Estimating

Kinematics in Two Dimensions; Vectors

Dynamics: Newtons Laws of Motion

Circular Motion; Gravitation

Work and Energy

Linear Momentum

Rotational Motion

Static Equilibrium; Elasticity and Fracture

Fluids

Oscillations and Waves

Sound

Temperature and Kinetic Theory

Heat

The Laws of Thermodynamics

Electric Charge and Electric Field

Electric Potential

Electric Currents

Dc Circuits

Magnetism

Electromagnetic Induction and Faradays Law

Electromagnetic Waves

Light: Geometric Optics

The Wave Nature of Light

Optical Instruments

The Special Theory of Relativity

Early Quantum Theory and Models of the Atom

Quantum Mechanics of Atoms

Molecules and Solids

Nuclear Physics and Radioactivity

Nuclear Energy; Effects and Uses of Radiation

Elementary Particles

Astrophysics and Cosmology

Filters