jueves, 7 de noviembre de 2013

waves questions!!

-1  What are the waves?
A wave can be described as a disturbance that travels through a medium from one location to another location.

-2 What are mechanical waves?
A mechanical wave is a wave that is not capable of transmitting its energy through a vacuum. Mechanical waves require a medium in order to transport their energy from one location to another. A sound wave is an example of a mechanical wave.

-3 Why can waves propagate?
Waves can propagate of the interactions forces between particles of the medium


-4 In the ''spring model'' what do the springs represent?
The springs represent interaction forces between particles of a medium


-5 Can you specify two different types of mechanical waves?
Yes, transverse waves and longitudinal waves.


-6 Can you define both kinds of waves?
Longitudinal waves make the particles vibrate parallel to the direction of the wave motion; and transverse waves make the particles vibrate perpendicular to the direction of the wave motion.


-7 What is ''Inertia''?
Inertia is the tendency of objects to resist change in motion when pushed or pulled.


-8 What kind of particles tend to have more inertia?
The higher the mass of an object the greater its inertia.


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