Question 1

How much charge must pass by a point in a wire in 10 s for the current inb the wire to be 0.50 A?

Accepted Answer

A)  5.0 C 
B)  20 C 
C)  0.050 C 
D)  2.0 C 
A)  5.0 C 
B)  20 C 
C)  0.050 C 
D)  2.0 C

Question 2

From the edge of a roof top you toss a green ball upwards with initial speed   and a blue ball downwards with the same initial speed. Air resistance is negligible. When they reach the ground below

Accepted Answer

A)  the two balls will have the same speed. 
B)  the blue ball will be moving faster than the green ball. 
C)  the green ball will be moving faster than the blue ball. 
A)  the two balls will have the same speed. 
B)  the blue ball will be moving faster than the green ball. 
C)  the green ball will be moving faster than the blue ball.

Question 3

When a dielectric material is introduced between the plates of a parallel-plate capacitor and completely fills the space, the capacitance increases by a factor of 4. What is the dielectric constant
Of the material that was introduced?

Accepted Answer

A)  4 
B)  2 
C)  0.4 
D)  1/4 
E)  None of the other choices is correct. 
A)  4 
B)  2 
C)  0.4 
D)  1/4 
E)  None of the other choices is correct.

Question 4

Identical balls oscillate with the same period T on Earth. Ball A is attached to an ideal spring and ball B swings back and forth to form a simple pendulum. These systems are now taken to the
Moon, where g = 1.6 m/s², and set into oscillation. Which of the following statements about these
Systems are true? (There could be more than one correct choice.)

Accepted Answer

A)  Both systems will have the same period on the Moon as on Earth. 
B)  On the Moon, ball B will execute more vibrations each minute than ball A. 
C)  On the Moon, ball A will execute more vibrations each minute than ball B. 
D)  On the Moon, ball A will take longer to complete one cycle than ball B. 
E)  On the Moon, ball B will take longer to complete one cycle than ball A. 
A)  Both systems will have the same period on the Moon as on Earth. 
B)  On the Moon, ball B will execute more vibrations each minute than ball A. 
C)  On the Moon, ball A will execute more vibrations each minute than ball B. 
D)  On the Moon, ball A will take longer to complete one cycle than ball B. 
E)  On the Moon, ball B will take longer to complete one cycle than ball A.

Question 5

In addition to 1 m = 39.37 in., the following exact conversion equivalents are given: 1 mile = 5280 ft , 1 ft = 12 in , 1 hour = 60 min, and 1 min = 60 s. If a particle has a velocity of 8.4
Miles per hour,its velocity, in m/s, is closest to

Accepted Answer

A)  3.0 m/s. 
B)  3.8 m/s. 
C)  4.5 m/s. 
D)  4.1 m/s. 
E)  3.4 m/s. 
A)  3.0 m/s. 
B)  3.8 m/s. 
C)  4.5 m/s. 
D)  4.1 m/s. 
E)  3.4 m/s.

Question 6

The speed of sound in steel is 5000 m/s. What is the wavelength of a sound wave of frequency 660 Hz in steel?

Accepted Answer

A)  0.829 m 
B)  2.41 m 
C)  0.132 m 
D)  1.21 m 
E)  7.58 m 
A)  0.829 m 
B)  2.41 m 
C)  0.132 m 
D)  1.21 m 
E)  7.58 m

Question 7

The graph in the figure shows the position of a particle as it travels along the x-axis.   At what value of t is the speed of the particle equal to 0 m/s?

Accepted Answer

A)  4 s 
B)  0 s 
C)  2 s 
D)  3 s 
E)  1 s 
A)  4 s 
B)  0 s 
C)  2 s 
D)  3 s 
E)  1 s

Question 8

A series ac circuit has a peak current of  1.0 A with a frequency of  7 kHz. If the resistance of the circuit is   the capacitance of the circuit is   and the inductance of the circuit is  26 H, determine the average power of the circuit over one cycle.

Accepted Answer

The answer of A series ac circuit has a peak...

Question 9

A string that is 0.26 m long is vibrating in its n = 6 harmonic. The sound from this string excites a pipe that is 0.88 m long and open at both ends into its second overtone resonance. What is the
Common resonant frequency of the string and the pipe? The speed of sound in air is 345 m/s.

Accepted Answer

A)  490 Hz 
B)  760 Hz 
C)  690 Hz 
D)  390 Hz 
E)  590 Hz 
A)  490 Hz 
B)  760 Hz 
C)  690 Hz 
D)  390 Hz 
E)  590 Hz

Question 10

When determining the number of significant figures in a number, zeroes to the left of the decimal
point are never counted.

Accepted Answer

A) True 
 B)False

Question 11

Three identical capacitors are connected in parallel to a potential source (battery). If a charge of Q flows into this combination, how much charge does each capacitor carry?

Accepted Answer

A)  Q/9 
B)  3Q 
C)  Q 
D)  Q/3 
A)  Q/9 
B)  3Q 
C)  Q 
D)  Q/3

Question 12

A resistor and an inductor are connected in series to an ideal battery of constant terminal voltage. At the moment contact is made with the battery, the voltage across the inductor is

Accepted Answer

A)  equal to the voltage across the resistor. 
B)  equal to the battery's terminal voltage. 
C)  less than the battery's terminal voltage, but not zero. 
D)  greater than the battery's terminal voltage. 
E)  zero. 
A)  equal to the voltage across the resistor. 
B)  equal to the battery's terminal voltage. 
C)  less than the battery's terminal voltage, but not zero. 
D)  greater than the battery's terminal voltage. 
E)  zero.

Question 13

Seven seconds after a brilliant flash of lightning, thunder shakes the house. Approximately how far was the lightning strike from the house?

Accepted Answer

A)  much farther away than two kilometers 
B)  about one kilometer away 
C)  much closer than one kilometer 
D)  about two kilometers away 
E)  It is impossible to say. 
A)  much farther away than two kilometers 
B)  about one kilometer away 
C)  much closer than one kilometer 
D)  about two kilometers away 
E)  It is impossible to say.

Question 14

Scientists use the metric system chiefly because it is more accurate than the English system.

Accepted Answer

A) True 
 B)False

Question 15

If the current flowing through a circuit of constant resistance is doubled, the power dissipated by that circuit will

Accepted Answer

A)  decrease to one-fourth of what it was. 
B)  decrease to one-half of what it was. 
C)  quadruple in magnitude. 
D)  double in magnitude. 
A)  decrease to one-fourth of what it was. 
B)  decrease to one-half of what it was. 
C)  quadruple in magnitude. 
D)  double in magnitude.

Question 16

When you blow some air above a paper strip, the paper rises. This happens because

Accepted Answer

A)  the air above the paper moves slower and the pressure is lower. 
B)  the air above the paper moves slower and the pressure is higher. 
C)  the air above the paper moves faster and the pressure remains constant. 
D)  the air above the paper moves faster and the pressure is higher. 
E)  the air above the paper moves faster and the pressure is lower. 
A)  the air above the paper moves slower and the pressure is lower. 
B)  the air above the paper moves slower and the pressure is higher. 
C)  the air above the paper moves faster and the pressure remains constant. 
D)  the air above the paper moves faster and the pressure is higher. 
E)  the air above the paper moves faster and the pressure is lower.

Question 17

An ideal transformer consists of a 500-turn primary coil and a 2000-turn secondary coil. If the current in the secondary is 3.0 A, what is the current in the primary?

Accepted Answer

A)  0.75 A 
B)  48 A 
C)  12 A 
D)  1.3 A 
A)  0.75 A 
B)  48 A 
C)  12 A 
D)  1.3 A

Question 18

A car starting from rest accelerates at a constant   for  10 s. It then travels with constant speed it has achieved for another  10 s. Then it finally slows to a stop with constant acceleration of magnitude  
How far does it travel after starting?

Accepted Answer

A)  200 m 
B)  500 m 
C)  400 m 
D)  300 m 
A)  200 m 
B)  500 m 
C)  400 m 
D)  300 m

Question 19

As an electron moves in the direction the electric field lines

Accepted Answer

A)  it is moving from low potential to high potential and gaining electric potential energy. 
B)  it is moving from low potential to high potential and losing electric potential energy. 
C)  it is moving from high potential to low potential and gaining electric potential energy. 
D)  it is moving from high potential to low potential and losing electric potential energy. 
E)  both its electric potential and electric potential energy remain constant. 
A)  it is moving from low potential to high potential and gaining electric potential energy. 
B)  it is moving from low potential to high potential and losing electric potential energy. 
C)  it is moving from high potential to low potential and gaining electric potential energy. 
D)  it is moving from high potential to low potential and losing electric potential energy. 
E)  both its electric potential and electric potential energy remain constant.

Question 20

The current definition of the standard kilogram of mass is based on

Accepted Answer

A)  the mass of the earth. 
B)  the mass of the sun. 
C)  the mass of a cesium-133 atom. 
D)  the mass a particular object kept in France. 
A)  the mass of the earth. 
B)  the mass of the sun. 
C)  the mass of a cesium-133 atom. 
D)  the mass a particular object kept in France.

Exam 2: Describing Motion: Kinematics in One Dimension

How much charge must pass by a point in a wire in 10 s for the current inb the wire to be 0.50 A?

From the edge of a roof top you toss a green ball upwards with initial speed and a blue ball downwards with the same initial speed. Air resistance is negligible. When they reach the ground below

When a dielectric material is introduced between the plates of a parallel-plate capacitor and completely fills the space, the capacitance increases by a factor of 4. What is the dielectric constant Of the material that was introduced?

In addition to 1 m = 39.37 in., the following exact conversion equivalents are given: 1 mile = 5280 ft , 1 ft = 12 in , 1 hour = 60 min, and 1 min = 60 s. If a particle has a velocity of 8.4 Miles per hour,its velocity, in m/s, is closest to

The speed of sound in steel is 5000 m/s. What is the wavelength of a sound wave of frequency 660 Hz in steel?

The graph in the figure shows the position of a particle as it travels along the x-axis. At what value of t is the speed of the particle equal to 0 m/s?

A series ac circuit has a peak current of 1.0 A with a frequency of 7 kHz. If the resistance of the circuit is the capacitance of the circuit is and the inductance of the circuit is 26 H, determine the average power of the circuit over one cycle.

A string that is 0.26 m long is vibrating in its n = 6 harmonic. The sound from this string excites a pipe that is 0.88 m long and open at both ends into its second overtone resonance. What is the Common resonant frequency of the string and the pipe? The speed of sound in air is 345 m/s.

When determining the number of significant figures in a number, zeroes to the left of the decimal point are never counted.

Three identical capacitors are connected in parallel to a potential source (battery). If a charge of Q flows into this combination, how much charge does each capacitor carry?

A resistor and an inductor are connected in series to an ideal battery of constant terminal voltage. At the moment contact is made with the battery, the voltage across the inductor is

Seven seconds after a brilliant flash of lightning, thunder shakes the house. Approximately how far was the lightning strike from the house?

Scientists use the metric system chiefly because it is more accurate than the English system.

If the current flowing through a circuit of constant resistance is doubled, the power dissipated by that circuit will

When you blow some air above a paper strip, the paper rises. This happens because

An ideal transformer consists of a 500-turn primary coil and a 2000-turn secondary coil. If the current in the secondary is 3.0 A, what is the current in the primary?

A car starting from rest accelerates at a constant for 10 s. It then travels with constant speed it has achieved for another 10 s. Then it finally slows to a stop with constant acceleration of magnitude How far does it travel after starting?

As an electron moves in the direction the electric field lines

The current definition of the standard kilogram of mass is based on

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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