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differentiate surface waves from body waves?

Sagot :

To differentiate surface waves from body waves, earthquake’s movements will be explained. This is because they generate elastic waves of energy called the seismic waves, where surface waves and body waves are classified to. When the impulse created was near the surface of the earth, waves also travel along or near it. This is called surface waves. Though its movement is usually slower than the s waves (will be discussed later), it can still bring the most destruction due to its greater amplitude. The two most common types of surface waves are Rayleigh waves and Love waves. Rayleigh waves are propagated through the ground like ripples, moving vertically and horizontally on a straight path towards the direction where the waves travel. This type of surface wave is slower than the body waves. Love waves (l waves), on the other hand, are the ones responsible for the broken foundations of establishments because of their side to side motion perpendicular to the path of propagation. These waves travel faster than Rayleigh waves but they cannot spread through any body of water.

Furthermore, the other type of seismic waves which move through the interior and core of the earth is called body waves.  P waves and s waves are the two types of body waves. P waves are longitudinal waves which are also called primary waves or pressure waves.  Upon propagation, they move with the greatest velocity by alternately pushing (compressing) and pulling (expanding) through the ground. This movement is the same with sound waves. They can move through solid and liquid material. During earthquake, seismograph can detect these waves first due to its speed. In contrast to it, s waves which are also called secondary waves or shear waves, move slower and cannot propagate through liquids. Since the earth’s core is made of liquid, only p waves can propagate through that. S waves are the second type of wave that the seismograph can detect throughout an earthquake. These waves move sideways on the ground in a right angle towards the direction of the travel which is classified as a transverse wave.

 

Other related links are below:

Difference of body and surface waves https://brainly.ph/question/740487

Body waves https://brainly.ph/question/360206

Surface waves https://brainly.ph/question/402083  
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