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How does water depth affect wave speed?

Updated: 8/11/2023
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12y ago

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If the dept of the water is high the wave is basically moving water over water as a result, that the friction between the waves is less. Due to those facts the wave speed in deep water is greater than in shallow water. In shallow water the waves in the water have a frictional drag at the bottom of the tray. Therefore, the waves speed it lower than in deeper water.

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12y ago
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11y ago

When waves travel across strings, the larger the tension of the string the faster the velocity of the wave. This is because of the equation:

v = the square root of (T/(m/L)) where T is the tension, m the mass of the string, and L the length of the string

Hope this helps!

No, this actually doesnt help as much as it could. When mr 1 asked this question he probaly was looking for the meaning behind why tension affects wave speed - not for the dreaded equation that makes everything what it is. If you could reanswer this with that, Mr 1 and myself would be very happy.

Please ignore the ABOVE.

The reason for the increase in wave speed is because the effective stiffness of the string has increased with increasing tension. Think of tension and stiffness being equal in some regard. You can make a compliant thing stiffer by applying tension to it.

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