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The speed of a mechanical wave depends on the mechanical properties of the medium. When the mechanical properties of the medium change, the speed of the mechanical wave changes as a result. The speed of an electromagnetic wave depends on the electrical properties of the medium. When the electrical properties of the medium change, the speed of the electromagnetic wave changes as a result.
The speed of a wave depends only on the mechanical or electrical characteristics of the medium or environment through which the wave propagates. It doesn't depend on the wave's frequency or wavelength.
Sound is propagated as a mechanical wave. As with all waves it travels and so has a speed.
The medium in which it travels.
The product of (frequency) multiplied by (wavelength) is always the same number.The number is the speed of the wave.
A tidal wave is a water wave so it is a mechanical wave.
There is absolutely no similarity between amplitude, frequency and the speed of mechanical and electromagnetic waves. All electromagnetic waves travel at the same speed. It does not matter if they have a great big amplitude, a high frequency, or whatever. An ittsie bitty gamma ray travels at the same speed as a great big radio wave. A sound wave, loud or soft travels at the same speed. The way a mechanical wave travels depends on the material.
A mechanical wave.
-- The speed of an electromagnetic wave depends on the electrical characteristics of the stuff it's moving through. If it's moving through vacuum, then it depends on the permeability and permittivity of vacuum, and comes out to be 299,792,458 meters per second. -- The speed of a mechanical wave depends on the mechanical characteristics of the stuff it's moving through. If there's no material stuff there, then the speed is zero.
Yes, an ocean wave is a mechanical wave, since the water is the medium of the wave.
True, because mechanical waves require a medium for propagation.
An electromagnetic wave is not a mechanical wave.