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# Work, waves, power

Define Crest The highest point of a transverse wave
What is the Trough The lowest points of a transverse wave
Describe Rarefaction When the coils spread apart
Define Frequency Number of waves that pass a point in a given amount of time
What does wavelength mean Distance from any point on a wave to the next identical point on the same wave
Define wave speed The speed that waves travel
What is Amplitude A measure of how far particles in the medium move from their rest position.
What is power Rate at which work is done
What is work When an object moves through a distance
Define Force A push or a pull on an a object in order to change the motion of the object
What is a longitudinal wave Particles move perpendicularly to the direction the wave is moving
Describe compression When the coils squish together
What is a Longitudinal wave When particles of the medium move back and forth compared to the direction the wave is traveling
Explain Electromagnetic waves Vibrations of electric and magnetic fields
What is a Mechanical wave Waves that require a medium
What is a wave A travling disturbance that carries energy through space and a medium without transferring matter
Define Medium A material which a wave can travel through
Describe Hertz It is equal to on cycle per second
Calculate work F=500 newton's D= 90 meters W= ? Formula= F times D= W 500n times 90m= 45,000 jouls
Calculate Power W=110 T=3.8 sec P=? Formula= P= W divided by T 110 J divided by 11 sec= 10 P
If 190 Joules of work are needed to move a table a distance of 5 meters what is the weight of the table ? 38
A baby weghining 20 N gets on a baby ride the ride lifts the baby 7 m in 15 seconds how much power was used. 9.3 P
How much time is needed to produce 500 Joules of work if 60 watts of power is used 8.3
Where is the Trough located on a wave bottom
Where is the Crest located on a wave top
Where is the Amplitude on a wave middle
Created by: KaylaNa