Question | Answer |
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 |