If you double the frequency of a vibrating object, its period will be...
What is halved?
100
An object's frequency if it has a period of 3 seconds.
What is .3 Hz?
100
An object's frequency if a weight on the end of a spring bobs up and down once every 4.0 seconds.
What is .25 Hz?
100
Standard unit of measurement for the period.
What are seconds?
200
The solid, liquid, or gas through which a vibration or wave travels.
What is the medium?
200
Suppose a bug is jiggling up and down and swimming towards you at the same time. Compared to the frequency at which the bug is emitting waves, the frequency of the waves reaching you is ___________________.
What is greater or higher?
200
This is by what factor the length of a pendulum should be changed in order to triple the period of the vibration.
What is by 9?
200
The wave speed if the wave has a length of 2 meters and frequency of 3 Hz.
What is 6 m/s?
200
Standard unit of measurement for the wavelength.
What are meters?
300
How many times something vibrates per one second.
What is the frequency?
300
When a wave passes from a less dense medium to a more dense medium, the speed of the wave _______.
What is decreases?
300
If a force of 50N stretches a spring 0.10 m, what is the spring constant?
What is 500 N/m?
300
The lowest frequency humans can hear is about 68 Hz. What would be the wavelength of a sound wave with this frequency if its speed is 340 m/s?
What is 5 m?
300
Standard unit of measurement for the frequency?
What is Hertz?
400
When two or more waves are at the same place at the same time, the resulting effect is called...
What is interference?
400
A child swings back and forth on a playground swing. If the child stands rather than sits, the time for a to-and-fro swing is unchanged, shortened, or lengthened?
What is shortened?
400
The length of a pendulum with a period of 1.0 s.
What is 0.24 m?
400
The time required for the sound waves v = 340 m/s to travel 20 m is...
What is 0.059 s?
400
Standard unit of measurement for wave speed?
What are meters per second?
500
This is the source of all wave motion.
What are vibrations or oscillations?
500
As a wave passes across a boundary into a new medium, this characteristic of the wave will NOT change.
What is the frequency?
500
A spring with a spring constant of 30.0 N/m is attached to different masses, and the system is set in motion. This is the period of the vibration for a mass of 2.3 kg.
What is 1.7 s?
500
The angle of refraction when a wave strikes a boundary at 35 degrees and its velocity increases from 6.5 km/s to 8.0 km/s.
What is 44.9 degrees?
500
Standard unit of measurement for the spring constant?