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17 questions
How much potential energy is stored in a spring that is stretched 15 cm by a force of 72 N?
4.5 J
5.4 J
6.0 J
3 J
Which is not an example of periodic motion?
A vibrating guitar string
A rolling ball
A clock pendulum
A swinging swing
Which of the following would be a result of resonance in a series of waves?
The net force in a simple harmonic oscillator will change
The oscillations in the waves will reach equilibrium
large amplitude oscillations
gravity acting upon a weight on a spring
A transverse wave travels _____ to the direction of the wave's motion.
At various angles
longitudinal
parallel
perpendicular
Which of the following are carrying by a wave?
particles
light
energy
water
The speed of a mechanical wave depends on which of the following?
the energy source of the wave
the height of the crest of the wave
the medium through which the wave travels
the amount of out-of-phase particles in the wave
A sound wave traveling with a velocity of 330 m/s has a frequency of 495 Hz. What is its wavelength?
1.5 m
160 km
33 m
.67 m
When a wave strikes a boundary it is called a(n) _____.
transverse wave
reflected wave
antinode
incident wave
Refraction means a change in _____ of waves.
wavelength
direction
frequency
speed
If the period of a pendulum is 1.2 s, what is the length of the pendulum? Assume standard gravity.
1.3 m
1.0 m
0.75 m
0.36 m
The illustration shows a spring with a spring constant of 283.3 N/M stretched by the weight of a block. If the block weighs 34 N, what potential energy is stored in the spring?
2.0 J
2.8 J
3.5 J
4.1 j
__________ occurs when small forces are applied at regular intervals to a vibrating or oscillating object and the amplitude of the vibration increases.
A pendulum
Resonance
Large displacement
Harmonic convergence
The diagram shows the superposition of two waves.
Which of the following is true about the waves shown in the diagram?
equal amplitudes, constructive interference
equal amplitudes, destructive interference
different amplitudes, constructive interference
different amplitudes,destructive interference
A spring stretches 14 cm when an object weighing 28 N is hung from it. What is the spring constant?
130 N/m
180 N/m
1400 N/m
200 N/m
The time it takes for a wave to complete one wave cycle is the wave’s ____.
amplitude
wavelength
period
frequency
The distance from the crest of a wave to the adjacent crest is the ____.
amplitude
period
speed
wavelength
Sound waves travel approximately 340 m/s through the air. What is the wavelength of a sound wave that has a frequency of 192 Hz?
2.10 m
1.4 m
1.8 m
2.3 m
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