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The speed of the wave c = frequency f times wavelength lambda. c = 25 times 5 = 125 m/s, whatever that medium on what planet may be. Some formulas: Scroll down to related links and look at "Wavelength".

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15y ago
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8y ago

A wave with a period of 2.5 seconds per cycle is a wave with one cycle per 2.5 seconds, or 1/2.5 cycles per second. That's 0.4 cycles per second or 0.4 Hertz.

It turns out that the frequency and the period of a wave are reciprocals. One over the frequency equals the period, and one over the period is the frequency.

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14y ago

Of course the expression needed to have a relation between frequency, wavelength needs the speed of sound waves. That changes with the temperature. In this case temperature is not mentioned. Any how let us assume the temperature to be 0 deg C, then the speed of sound in air can be taken to be 330 m/s.

The mathematical relation is lambda = speed / frequency

Hence lambda (wavelength) = 330/250 =1.32 m

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13y ago

The speed of sound through a medium depends on that medium's bulk (elastic) modulus and density, not the wave's frequency and wavelength.

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14y ago

A hertz (Hz) is a single cycle per second. The period indicates how long each wave lasts.

Therefore, a wave with a frequency of 250 hertz has a period of 1/250th of a second.

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14y ago

Wave speed is simply frequency multiplied by wavelength.

1.2m * 250Hz = 300m/s

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12y ago

The sound wave travels 1.2 m in 1/250 second or 1.2*250 m/s = 300 m/s. Note that period = 1/frequency.

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8y ago

if the period is 0.25 seconds, then the frequency is 4Hz.

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14y ago

One second

0.004

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9y ago

The speed of the sound wave is 325m/s.

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Q: What is the frequency of a wave that has a period of 2.5 seconds?
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