What would happen if ....

Yoga Face

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What would happen if a tidal wave going east collided with a tidal wave going west ?

If they cancel each other out then I just created a way to stop tidal waves
 

fuji

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They would not "collide", they would overlay one another. The effect would be that the wave was amplified in some places, and cancelled out in others.
 

Yoga Face

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nope, i think your missing a brainwave...lol
disagree

Science of the future will have few limitations

Tidal waves can be created by landslides, explosions and other ways that science can create


the vast majority of scientific creations were scoffed at

for example, science is working on ways to stop hurricanes and tornadoes and comets and .... are tidal waves next?









/
 

Yoga Face

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After colliding, would they not reform and go back to where they originated from. Doesn't Newton's third law of physics cover this?
action and reaction law?

i imagine the two troughs would meet then the waves would create a splash as they collided

As energy is never destroyed what would happen to the waves energy ?
 

Yoga Face

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Create a momentary "Superwave" then the two waves continue in their original directions.
Hmmmm, I doubt it

Water does not silently pass through water
 

dirkd101

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action and reaction law?

i imagine the two troughs would meet then the waves would create a splash as they collided

As energy is never destroyed what would happen to the waves energy ?
Exactly, Newton's third law. "for every action there is an equal and opposite reaction".
Create a momentary "Superwave" then the two waves continue in their original directions.
I don't believe that they would cause a super wave, but would loose some energy and continue in there opposite directions.
 

shack

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the wave was amplified in some places, and cancelled out in others.
Sounds about right. The total amount of energy of the two waves would not change but it would be redistributed and some converted to other forms such as the energy of the sound created (even if nobody is there to hear it) and the energy of the heat created by the clash of the molecules and the friction created. I suppose some parts of the waves would cancel each other out, dissipating a lot of the energy in the waves.
 

shack

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After colliding, would they not reform and go back to where they originated from. Doesn't Newton's third law of physics cover this?
If you are talking about inertia, it can be affected by external forces. Each wave would create an external force (and definitely not equal and opposite) on the other, thereby altering their paths.
 

red

you must be fk'n kid'g me
Nov 13, 2001
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When two groups of waves meet, they pass right through each other. This is obvious if you consider light and sound waves. When two people talk or your child has both the TV and the stereo on, you can hear both. One set of sound waves doesn’t garble the other. Likewise you can see two objects at the same time. What does happen, though is that waves can either add up or cancel each other out as they pass through one another. This property is called superposition. If a crest from one wave happens to line up with the trough of another, they cancel each other out. This is called destructive interference. If two waves line up crest to crest or trough to trough, they add up. This is called constructive interference. This is why waves at the beach are all different sizes. There are lots of different wave groups coming in, and they’re interfering with each other in different ways.
 

dirkd101

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If you are talking about inertia, it can be affected by external forces. Each wave would create an external force (and definitely not equal and opposite) on the other, thereby altering their paths.
Thanks shack, I did think that the hydraulics would change all values, but I just took it as lab experiment using a pool.
 

frankcastle

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Feb 4, 2003
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you would have to know the features of the tidal wave like freq, amplitude, wavelemgth and phase shift....to know the features the destructive wave should have.

execution would be the problem.....the force needed to create a wave to cancel a tsunami would be insane.....plus you need to ensure that the wave has the right characteristics at time of impact......
 

ExerciseGuy

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Jul 29, 2010
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When two groups of waves meet, they pass right through each other. This is obvious if you consider light and sound waves. When two people talk or your child has both the TV and the stereo on, you can hear both. One set of sound waves doesn’t garble the other. Likewise you can see two objects at the same time. What does happen, though is that waves can either add up or cancel each other out as they pass through one another. This property is called superposition. If a crest from one wave happens to line up with the trough of another, they cancel each other out. This is called destructive interference. If two waves line up crest to crest or trough to trough, they add up. This is called constructive interference. This is why waves at the beach are all different sizes. There are lots of different wave groups coming in, and they’re interfering with each other in different ways.
+1. I agree with this one. There is an earphone device that uses this principle to cancel noises such as those low frequency tones while riding in an airplane. I've never tried one myself but would be interested in hearing from someone who has.
 

ExerciseGuy

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While two colliding waves may not be a solution to preventing tidal wave destruction, I do believe that scientific minds will eventually come up with an elegant way to solve the issue. For example, when they built the Burj Al Arab, they had to deal with the potential for water erosion at the base. So, they created large, honeycomb-like concrete blocks that essentially dampen the effects of the flowing water. This would likely not work as a defense against a tsunami and, even if it could theoretically be applied, it would probably be too costly to put in place broadly. But, I believe there should be a solution if there is enough desire to find one.
 

shack

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When two groups of waves meet, they pass right through each other. This is obvious if you consider light and sound waves.
Do sound waves have mass? Is there matter? Density?

As to light waves, I believe the laws of physics change at the speed of light so I'm not sure they are a valid comparison.
 

red

you must be fk'n kid'g me
Nov 13, 2001
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Do sound waves have mass? Is there matter? Density?

As to light waves, I believe the laws of physics change at the speed of light so I'm not sure they are a valid comparison.
sound waves are really "air waves" as opposed to "water waves"- so does air have matter or density?
 
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