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# Wave Unit Test

What is the definition of a wave? A disturbance that transfers energy that travels through a medium
What is a medium? The material (solid, liquid ,gas) which a wave can travel through
Transverse wave? A wave where particles move perpendicular to the direction the wave travels
What is a crest? The highest part of a wave
What is the definition of a trough? The lowest part of a wave
What is a Longitudinal wave? Particles that move back and forth compared to the direction the wave is moving
What is Compression? The strongest part of a wave
What is Rarefaction The weakest part of a wave
What is a Mechanical wave? A wave that requires a medium
What are Electromagnetic waves? A wave that does not travel through a medium
What is Amplitude? A measure of how particles in the medium move from the resting place.
What are Wavelengths? The distance from any point of a wave to the next identical wave.
What is Frequency? The number of that pass a point at a given time.
What are Hertz? The unit of measure of frequency.
Longitudinal waves move (perpendicular, parallel) compared to the direction the wave is moving parallel
What is Power? The rate at which work id done
Jake's car went a total of 75 meters in a total of 5 minutes. What is the total speed? Speed: 15 mpm
If the distance is a total of 28 meters and the time is 7 minutes, what is the total speed? Speed: 4 mpm
If there is a force of 4 newtons and a distance of 3 meters, what is the amount of work? Work: 12 j
If the force is 10 newtons and the distance of 5 meters, what is the total amount of work? Work: 50 j
True or false: The particles in a transverse wave move parallel? False; The particles in a traverse wave move perpendicular
If the amplitude is high, then the wave has a (high, low) frequency? high
True or false: There is only one formula for speed; Distance/Time False; Distance/Time, Wavelength X Frequency
Define Work and name it's formula Using a force to move an object a distance. Formula: Force X Distance
Define Force and name it's formula something that causes a change of motion is an object. Formula: N x M= J