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# Waves

What is a wave? A disturbance that transfers energy.
What is the medium? The material that a wave travels through.
What is a transverse wave? Particles that move perpendicularly to the direction the wave travels.
What is the crest? The highest point of a transverse wave.
What is the trough? The lowest point of a transverse wave.
What is a longitudinal wave? Particles that move parallel (Back and Forth) in the same direction that the wave travels.
What is compression? Particles squeezed together.
What is rarefaction? Particles stretched out.
What is amplitude? The measure of how far energy a wave carries.
What is wavelength? The distance from any point on a wave to the next identical point on the same wave.
How do you calculate wave speed? wave speed= wave length x frequency
What is frequency The number of waves that pass a point in a given amount of time.
If your time is is 4 cm/s and work is 52 joules, what is the time? 13s = 52j / 4cm
if the frequency is 50Hz and the wavelength was 5cm, what is the speed? 250= 50hz x 5cm
What is a mechanical wave? Waves that require a medium.
What is an electromagnetic wave? Waves that do not require mediums.
What is force and what do you measure it in? Pusher or pull on an object to change the motion of an object. You measure it in Newtons.
What is work and what do you measure it in? The use of force to move an object. You measure it in Joules.
What is power? The ability to do something or act a certain way.
What is Hertz? The measurement of frequency.
if your force was 20 newtons and work were 100 joules, what was your distance? 100j= 20n x 5cm
What is the formula for work? Work= force x distance.
What is the formula for power? Power= work / time.
Mechanical or electrical waves require medium. Mechanical waves.
The amount of energy in a mechanical wave is it's frequency or amplitude? Amplitude.
A medium or resting position is the material the wave travels through. Medium.
Created by: winrow_k