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Work, waves, power

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