Question 1

If you double the spring constant of a harmonic oscillator, the oscillation frequency does what?

Accepted Answer

A)  Decreases by a factor of 2 . 
B)  Decreases by a factor of $\sqrt{2}$ 
C)  Does not change. 
D)  Increases by a factor of $\sqrt{2}$. 
E)  Increases by a factor of 2 .
F) Changes by some other factor (specify). 
A)  Decreases by a factor of 2 . 
B)  Decreases by a factor of $\sqrt{2}$ 
C)  Does not change. 
D)  Increases by a factor of $\sqrt{2}$. 
E)  Increases by a factor of 2 .
F) Changes by some other factor (specify).

Question 2

Is the work energy flowing into or out of the gas in process $B \rightarrow C$ positive $(A)$ or negative (B)?
A) Positive}
B) Negative

Accepted Answer

A) True 
 B)False

Question 3

A small car pushes on a disabled truck, accelerating it slowly forward. Each exerts a force on the other as a result of their contact interaction. Which vehicle exerts the greater force on the other?

Accepted Answer

A)  The car 
B)  The truck 
C)  Both forces have the same magnitude. 
D)  The truck doesn't exert any force on the car. 
E)  One needs more information to answer. 
A)  The car 
B)  The truck 
C)  Both forces have the same magnitude. 
D)  The truck doesn't exert any force on the car. 
E)  One needs more information to answer.

Question 4

Do the following statements about the physical world express
-The speed of a falling object increases as it falls.
A)a primarily Aristotelian viewpoint .
B)aprimarily Newtonian viewpoint.
C)are they consistent with both viewpoints

Accepted Answer

The answer of Do the following statements about the physical...

Question 5

A glider on an air track is connected by a spring to the end of the air track. If it is pulled $3.5 \mathrm{~cm}$ in the $-x$ direction away from its equilibrium point and then released from rest at $t=0$, what is the initial phase $\theta$ ?

Accepted Answer

A)  0 
B)  $\pi / 4$ 
C)  $\pi / 2$ 
D)  $\pi$ 
E)  $3 \pi / 2$
F) Some other result (specify) 
A)  0 
B)  $\pi / 4$ 
C)  $\pi / 2$ 
D)  $\pi$ 
E)  $3 \pi / 2$
F) Some other result (specify)

Question 6

According to Newton, is a freely falling elevator an accurate inertial reference frame?

Accepted Answer

A)  No, such a frame is accelerating toward the earth. 
B)  It is not a real inertial frame, but we can treat it as one if we ignore external gravitational forces acting on objects inside the frame. 
C)  Yes. 
D)  It depends (explain). 
A)  No, such a frame is accelerating toward the earth. 
B)  It is not a real inertial frame, but we can treat it as one if we ignore external gravitational forces acting on objects inside the frame. 
C)  Yes. 
D)  It depends (explain).

Question 7

A blimp has a velocity of $8.2 \mathrm{~m} / \mathrm{s}$ due west relative to the air. There is a wind blowing at $3.5 \mathrm{~m} / \mathrm{s}$ due north. The speed of the balloon relative to the ground is

Accepted Answer

A)  $11.7 \mathrm{~m} / \mathrm{s}$ 
B)  $8.9 \mathrm{~m} / \mathrm{s}$ 
C)  $7.4 \mathrm{~m} / \mathrm{s}$ 
D)  $4.7 \mathrm{~m} / \mathrm{s}$ 
E)  Some other speed (specify) 
A)  $11.7 \mathrm{~m} / \mathrm{s}$ 
B)  $8.9 \mathrm{~m} / \mathrm{s}$ 
C)  $7.4 \mathrm{~m} / \mathrm{s}$ 
D)  $4.7 \mathrm{~m} / \mathrm{s}$ 
E)  Some other speed (specify)

If you double the spring constant of a harmonic oscillator, the oscillation frequency does what?

Is the work energy flowing into or out of the gas in process $B \rightarrow C$ positive $(A)$ or negative (B)? A) Positive} B) Negative

A small car pushes on a disabled truck, accelerating it slowly forward. Each exerts a force on the other as a result of their contact interaction. Which vehicle exerts the greater force on the other?

Do the following statements about the physical world express -The speed of a falling object increases as it falls. A)a primarily Aristotelian viewpoint . B)aprimarily Newtonian viewpoint. C)are they consistent with both viewpoints

A glider on an air track is connected by a spring to the end of the air track. If it is pulled $3.5 \mathrm{~cm}$ in the $-x$ direction away from its equilibrium point and then released from rest at $t=0$ , what is the initial phase $\theta$ ?

According to Newton, is a freely falling elevator an accurate inertial reference frame?

A blimp has a velocity of $8.2 \mathrm{~m} / \mathrm{s}$ due west relative to the air. There is a wind blowing at $3.5 \mathrm{~m} / \mathrm{s}$ due north. The speed of the balloon relative to the ground is

Conservation Laws Constrain Interactions

The Laws of Physics Are Frame-Independent Relativity

Electricity and Magnetism Are Unified

Matter Behaves Like Waves Quantum Physics

Some Processes Are Irreversible Thermal Physics

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Exam 2: The Laws of Physics Are Universal Newtonian Mechanics

If you double the spring constant of a harmonic oscillator, the oscillation frequency does what?

Is the work energy flowing into or out of the gas in process B→CB \rightarrow CB→C positive (A)(A)(A) or negative (B)? A) Positive} B) Negative

A small car pushes on a disabled truck, accelerating it slowly forward. Each exerts a force on the other as a result of their contact interaction. Which vehicle exerts the greater force on the other?

Do the following statements about the physical world express -The speed of a falling object increases as it falls. A)a primarily Aristotelian viewpoint . B)aprimarily Newtonian viewpoint. C)are they consistent with both viewpoints

A glider on an air track is connected by a spring to the end of the air track. If it is pulled 3.5 cm3.5 \mathrm{~cm}3.5 cm in the −x-x−x direction away from its equilibrium point and then released from rest at t=0t=0t=0 , what is the initial phase θ\thetaθ ?

According to Newton, is a freely falling elevator an accurate inertial reference frame?

A blimp has a velocity of 8.2 m/s8.2 \mathrm{~m} / \mathrm{s}8.2 m/s due west relative to the air. There is a wind blowing at 3.5 m/s3.5 \mathrm{~m} / \mathrm{s}3.5 m/s due north. The speed of the balloon relative to the ground is

Conservation Laws Constrain Interactions

The Laws of Physics Are Frame-Independent Relativity

Electricity and Magnetism Are Unified

Matter Behaves Like Waves Quantum Physics

Some Processes Are Irreversible Thermal Physics

Filters

Is the work energy flowing into or out of the gas in process $B \rightarrow C$ positive $(A)$ or negative (B)? A) Positive} B) Negative

A glider on an air track is connected by a spring to the end of the air track. If it is pulled $3.5 \mathrm{~cm}$ in the $-x$ direction away from its equilibrium point and then released from rest at $t=0$ , what is the initial phase $\theta$ ?

A blimp has a velocity of $8.2 \mathrm{~m} / \mathrm{s}$ due west relative to the air. There is a wind blowing at $3.5 \mathrm{~m} / \mathrm{s}$ due north. The speed of the balloon relative to the ground is