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A longitudinal wave is:

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- A wave where the oscillation is perpendicular to the direction of motion
- A wave where the oscillation is in the same direction as the direction of motion

- 4, 5
- 5, 8
- 5, 4
- 4, 8

- The pendulum swings twice as far away from the center
- Its period is twice as long
- Its frequency is twice as high
- It must have twice the mass

- Displacement
- The length of a pendulum
- The mass
- frequency

- A female soprano singer at 2,000 Hz
- A bass guitar at 150 Hz
- A male voice at 500 Hz
- The rumble of thunder at 75 Hz

- At the point of maximum displacement
- Halfway between the equilibrium point and maximum displacement
- At a point where acceleration is greatest
- At the equilibrium point

- 0.667 m/s
- 1.80 m/s
- 0.800 m/s
- 9.60 m/s

- Shortening its length
- Increasing the mass of the bob
- Moving its equilibrium point
- Decreasing the mass of the bob

- 0.10 Hz
- 0. 17 Hz
- 6.0 Hz
- 10 Hz

- Frequency
- Mass
- Restoring force
- Length

A

- 2 seconds
- 4 seconds
- 6 seconds

A

- 4.8 meters
- 4.0 meters
- 2.4 meters

- Maximum displacement
- The equilibrium point
- The center of its swing
- Minimum displacement

- Frequency
- Wavelength
- The position of the equilibrium point
- Energy of the system

A wave with an amplitude of 0.75 m has the same wavelength as a second wave with an amplitude of 0.53 m. The two waves interfere. What is the amplitude of the resultant wave if the interference is constructive?

- 0.22 m
- 0.53 m
- 0.75 m
- 1.28 m

- 21 m
- 14 m
- 7 m
- 3.5 m

- 1/5 s
- 20 s
- 5 s
- 1 s

- 0.2 s
- 0.5 s
- 2 s
- 5 s

- Friction
- Amplitude
- Mass
- Length

If a given pendulum is moved from Earth to a location where the gravitational acceleration is greater than Earth’s, the frequency of the pendulum’s swing will

- Increase
- Decrease
- Be unchanged
- Vary with the mass of the bob

- Decrease the initial displacement
- Use a greater mass
- Use a spring with a higher spring constant
- Increase the period of oscillation

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A wave with an amplitude of 0.75 m has the same wavelength as a second wave with an amplitude of 0.53 m. If the two waves destructively interfere, what is the amplitude of the resultant wave?

- 0.22 m
- 0.53 m
- 0.75 m
- 1.28 m

10

- Gets longer
- Gets shorter
- Stays the same
- Not enough information

10

- A medium
- Empty space
- Water
- Air

10

- Permanently in the direction of the wave motion
- Permanently in a direction perpendicular to the wave
- Temporarily in the direction of the wave motion
- Temporarily in a direction perpendicular to the wave

10

- Transverse wave
- Continuous wave
- Pulse
- Compression

10

- Amplitude
- Wavelength
- Frequency
- Rarefaction

10

Suppose you are dangling your foot in a swimming pool, making ripples (waves) by moving your foot up and down. What could you do to make the ripples travel faster through the water?

- Move your foot up and down more frequently
- Move your foot up and down less frequently
- Move your foot up and down more strongly
- None of the above

10

- Reflected and inverted
- Reflected but not inverted
- Not reflection
- absorbed

10

- Depends on amplitude
- Decreases
- Increases
- Does not change

10

- Increased by a factor of 9
- Decreased by a factor of 9
- Increased by a factor of 3
- Decreased by a factor of 3

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- Sine
- Longitudinal
- Pulse
- Transverse

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- Is the sum of the displacements of each wave
- Is zero
- Is always greater than the displacement of either wave alone
- Is always destructive

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- Complete destructive interference
- No interference
- Constructive interference
- Destructive interference

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- A longitudinal wave
- A non-periodic wave
- A pulse wave
- A standing wave

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- Antinode
- Point of constructive interference
- Node
- rarefaction

10

- 0.1 m
- 5 m
- 10 m
- 40 m

10

- Period
- Frequency
- Wavelength
- None of the above

10

- The flute
- The trombone
- They reach your ears at the same time.

10

- 8π seconds
- 4π seconds
- π seconds
- π/2 seconds

10

A certain oscillating mass-spring system has a period of 1.2 s with a 1.0 kg mass. What will the period be when a 4.0 kg mass is substituted for the 1.0 kg mass?

- 4.8 s
- 2.4 s
- 0.6 s
- 0.3 s

10

- Increasing the mass
- Decreasing the mass
- Decreasing the initial displacement
- None of the above

10

If the pendulum’s length is 2.00 m and the acceleration due to gravity is 9.80 m/s2, how many complete oscillations does the pendulum make in 5.00 min?

- 1.76
- 21.6
- 106
- 239

10

- Amplitude
- Frequency
- Period
- Equilibrium

10