Question 1

When a student listens to music, sound waves propagate from the speaker to her ear. Which of the following is a physical description of this process?

Accepted Answer

A) Particles produced at the speaker move to the student's ear. 
B) Energy is transported from the speaker to the student's ear. 
C) Material is transferred from the speaker to the student's ear. 
D) Clusters of air molecules are sent from the speaker to the student's ear. 
A) Particles produced at the speaker move to the student's ear. 
B) Energy is transported from the speaker to the student's ear. 
C) Material is transferred from the speaker to the student's ear. 
D) Clusters of air molecules are sent from the speaker to the student's ear.

Question 2

Mike, who has a mass of 75 kg, is running north at 2.6 m/s. He accidentally collides with Tom, who has a mass of 125 kg and is not moving.Which of the following statements describes how much momentum each person has before the collision?

Accepted Answer

A) Mike has a momentum of 130 kg • m/s north, and Tom has no momentum. 
B) Mike has a momentum of 195 kg • m/s north, and Tom has no momentum. 
C) Both Mike and Tom have a momentum of 130 kg • m/s north. 
D) Both Mike and Tom have a momentum of 195 kg • m/s north. 
A) Mike has a momentum of 130 kg • m/s north, and Tom has no momentum. 
B) Mike has a momentum of 195 kg • m/s north, and Tom has no momentum. 
C) Both Mike and Tom have a momentum of 130 kg • m/s north. 
D) Both Mike and Tom have a momentum of 195 kg • m/s north.

Question 3

A 5 kg rock and a 10 kg rock are dropped from a height of 10 m. Which of the following statements describes what happens to the potential energy of the rocks?

Accepted Answer

A) Neither rock loses potential energy because no work is done on the rocks. 
B) Both rocks lose the same amount of potential energy because they fall from the same height. 
C) The 10 kg rock loses more potential energy than the 5 kg rock because the 10 kg rock falls faster. 
D) The 10 kg rock loses more potential energy than the 5 kg rock because the 10 kg rock has more mass. 
A) Neither rock loses potential energy because no work is done on the rocks. 
B) Both rocks lose the same amount of potential energy because they fall from the same height. 
C) The 10 kg rock loses more potential energy than the 5 kg rock because the 10 kg rock falls faster. 
D) The 10 kg rock loses more potential energy than the 5 kg rock because the 10 kg rock has more mass.

Question 4

Which of the following statements best describes the visible spectrum of light as seen by the human eye?

Accepted Answer

A) The lowest frequency appears red, and the highest frequency appears violet. 
B) The lowest frequency appears red, and the highest frequency appears yellow. 
C) The lowest frequency appears green, and the highest frequency appears violet. 
D) The lowest frequency appears green, and the highest frequency appears yellow. 
A) The lowest frequency appears red, and the highest frequency appears violet. 
B) The lowest frequency appears red, and the highest frequency appears yellow. 
C) The lowest frequency appears green, and the highest frequency appears violet. 
D) The lowest frequency appears green, and the highest frequency appears yellow.

Question 5

In a copper wire, a temperature increase is the result of which of the following?

Accepted Answer

A) an increase in the size of the copper particles 
B) a decrease in the mass of the copper particles 
C) an increase in the motion of the copper particles 
D) a decrease in the distance between the copper particles 
A) an increase in the size of the copper particles 
B) a decrease in the mass of the copper particles 
C) an increase in the motion of the copper particles 
D) a decrease in the distance between the copper particles

Question 6

A teenager removes the plastic wrapping from a CD. The pieces of wrap cling to her hand.Which of the following forces causes the wrap to cling to her hand?

Accepted Answer

A) electrostatic 
B) gravitational 
C) magnetic 
D) net 
A) electrostatic 
B) gravitational 
C) magnetic 
D) net

Question 7

Two blocks of zinc with different masses are at room temperature. Each block then absorbs the same amount of heat over 10 minutes. When the temperature of each block is then measured, block 1 is at a higher temperature than block 2. Which of the following statements most likely describes the zinc blocks?

Accepted Answer

A) The mass of block 1 is less than the mass of block 2. 
B) The mass of block 1 is greater than the mass of block 2. 
C) The specific heat of block 1 is less than the specific heat of block 2. 
D) The specific heat of block 1 is greater than the specific heat of block 2. 
A) The mass of block 1 is less than the mass of block 2. 
B) The mass of block 1 is greater than the mass of block 2. 
C) The specific heat of block 1 is less than the specific heat of block 2. 
D) The specific heat of block 1 is greater than the specific heat of block 2.

Question 8

A sound wave can be transmitted through all of the following except

Accepted Answer

A) a gas. 
B) a liquid. 
C) a solid. 
D) a vacuum. 
A) a gas. 
B) a liquid. 
C) a solid. 
D) a vacuum.

Question 9

Two students are standing next to each other on a level field. One of the students throws a table tennis ball forward toward a line 2.0 m away. At the same time, the second student throws a bowling ball in the same direction. Both balls take the same time to travel the 2.0 m.Only the second student feels a noticeable backward push when she throws her ball.Which of the following statements explains why only the second student feels a noticeable backward push?

Accepted Answer

A) The bowling ball exerts a much larger reaction force. 
B) The bowling ball undergoes a much larger acceleration 
C) The bowling ball requires more force to overcome gravity. 
D) The bowling ball converts more inertia into kinetic energy 
A) The bowling ball exerts a much larger reaction force. 
B) The bowling ball undergoes a much larger acceleration 
C) The bowling ball requires more force to overcome gravity. 
D) The bowling ball converts more inertia into kinetic energy

Question 10

Which of the following conditions results in the buildup of static charge on an object?

Accepted Answer

A) when neutrons outnumber electrons 
B) when there are more protons than neutrons 
C) when there are more electrons than protons 
D) when all neutrons have been removed from the object 
A) when neutrons outnumber electrons 
B) when there are more protons than neutrons 
C) when there are more electrons than protons 
D) when all neutrons have been removed from the object

Question 11

Which of the following is designed to produce an electromagnetic wave?

Accepted Answer

A) elastic cord 
B) laser pointer 
C) metal spring 
D) ripple tank 
A) elastic cord 
B) laser pointer 
C) metal spring 
D) ripple tank

Question 12

The speed of sound in a particular gas is 900 m/s. A sound wave propagating in this material has a wavelength of 15 m. What is the frequency of this sound?

Accepted Answer

A) 30 Hz 
B) 60 Hz 
C) 6,800 Hz 
D) 13,500 Hz 
A) 30 Hz 
B) 60 Hz 
C) 6,800 Hz 
D) 13,500 Hz

Question 13

Two students each carry a box up to the third ?oor of a building. The total mass of each student and the box she is carrying is the same. Roberta makes the trip in 45 s while Mary takes 30 s. Which of the following statements best describes this task?

Accepted Answer

A) Roberta does more total work than Mary. 
B) Mary does more total work than Roberta. 
C) Roberta has a greater power output than Mary. 
D) Mary has a greater power output than Roberta. 
A) Roberta does more total work than Mary. 
B) Mary does more total work than Roberta. 
C) Roberta has a greater power output than Mary. 
D) Mary has a greater power output than Roberta.

Question 14

Based on Ohm's law, which of the following statements explains what must happen when the voltage across a resistor is decreased?

Accepted Answer

A) The resistance of the resistor increases. 
B) The resistance of the resistor decreases. 
C) The current through the resistor increases. 
D) The current through the resistor decreases. 
A) The resistance of the resistor increases. 
B) The resistance of the resistor decreases. 
C) The current through the resistor increases. 
D) The current through the resistor decreases.

Question 15

X-ray waves and infrared waves are both electromagnetic waves. Which of the following describes another property x-ray waves and infrared waves share?

Accepted Answer

A) Both waves are longitudinal. 
B) Both waves have the same frequency. 
C) Both waves have the same wavelength. 
D) Both waves travel at the same speed in a vacuum. 
A) Both waves are longitudinal. 
B) Both waves have the same frequency. 
C) Both waves have the same wavelength. 
D) Both waves travel at the same speed in a vacuum.

Question 16

Which of the following requires the greatest amount of heat?

Accepted Answer

A) increasing the temperature of 1 kg of water from 0°C to 30°C 
B) increasing the temperature of 10 kg of water from 10°C to 20°C 
C) increasing the temperature of 20 kg of water from 19°C to 21°C 
D) increasing the temperature of 50 kg of water from 20°C to 21°C 
A) increasing the temperature of 1 kg of water from 0°C to 30°C 
B) increasing the temperature of 10 kg of water from 10°C to 20°C 
C) increasing the temperature of 20 kg of water from 19°C to 21°C 
D) increasing the temperature of 50 kg of water from 20°C to 21°C

Question 17

Which of the following provides the best example of simple harmonic motion?

Accepted Answer

A) riding a regular bus route 
B) sliding down a water slide 
C) running a consistent daily jog 
D) swinging on a playground swing 
A) riding a regular bus route 
B) sliding down a water slide 
C) running a consistent daily jog 
D) swinging on a playground swing

Question 18

Which of the following is the best example of work being done on an object?

Accepted Answer

A) holding a 50 kg barbell 
B) lifting a bag of groceries 
C) keeping a board in place 
D) pushing on a car that will not move 
A) holding a 50 kg barbell 
B) lifting a bag of groceries 
C) keeping a board in place 
D) pushing on a car that will not move

Question 19

A pitcher throws a 0.15 kg baseball at 40 m/s towards the catcher. What is the momentum of the baseball while moving at 40 m/s?

Accepted Answer

A) 0)025 kg • m/s 
B) 3)8 kg • m/s 
C) 6)0 kg • m/s 
D) 270 kg • m/s 
A) 0)025 kg • m/s 
B) 3)8 kg • m/s 
C) 6)0 kg • m/s 
D) 270 kg • m/s

Question 20

The tendency of a stationary object to resist being put into motion is known as

Accepted Answer

A) acceleration. 
B) inertia. 
C) weight. 
D) velocity. 
A) acceleration. 
B) inertia. 
C) weight. 
D) velocity.

Exam 32: (AP) Physics: Introductory Physics

When a student listens to music, sound waves propagate from the speaker to her ear. Which of the following is a physical description of this process?

Mike, who has a mass of 75 kg, is running north at 2.6 m/s. He accidentally collides with Tom, who has a mass of 125 kg and is not moving.Which of the following statements describes how much momentum each person has before the collision?

A 5 kg rock and a 10 kg rock are dropped from a height of 10 m. Which of the following statements describes what happens to the potential energy of the rocks?

Which of the following statements best describes the visible spectrum of light as seen by the human eye?

In a copper wire, a temperature increase is the result of which of the following?

A teenager removes the plastic wrapping from a CD. The pieces of wrap cling to her hand.Which of the following forces causes the wrap to cling to her hand?

A sound wave can be transmitted through all of the following except

Which of the following conditions results in the buildup of static charge on an object?

Which of the following is designed to produce an electromagnetic wave?

The speed of sound in a particular gas is 900 m/s. A sound wave propagating in this material has a wavelength of 15 m. What is the frequency of this sound?

Two students each carry a box up to the third ?oor of a building. The total mass of each student and the box she is carrying is the same. Roberta makes the trip in 45 s while Mary takes 30 s. Which of the following statements best describes this task?

Based on Ohm's law, which of the following statements explains what must happen when the voltage across a resistor is decreased?

X-ray waves and infrared waves are both electromagnetic waves. Which of the following describes another property x-ray waves and infrared waves share?

Which of the following requires the greatest amount of heat?

Which of the following provides the best example of simple harmonic motion?

Which of the following is the best example of work being done on an object?

A pitcher throws a 0.15 kg baseball at 40 m/s towards the catcher. What is the momentum of the baseball while moving at 40 m/s?

The tendency of a stationary object to resist being put into motion is known as

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