Aking3606 Aking3606

19-08-2022
Physics

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A railroad locomotive is at rest with its whistle shrieking, and then it starts moving toward you. does the frequency that you hear increase, decrease, or stay the same?

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tutorconsortium345 tutorconsortium345

27-08-2022

A railroad locomotive is at rest with its whistle shrieking, and then it starts moving toward us. The frequency that we hear increases.

What is the frequency?

The number of occurrences per unit of time is the frequency of a recurrent event. To emphasize distinctions with spatial and angular frequencies, respectively, it is also known as an ordinary frequency or temporal frequency in various contexts. One hertz (Hz), which is how frequency is expressed, equals one (event) every second. The length of a cycle in a repeated event determines the period, which is the inverse of frequency. The frequency, a crucial parameter in science and engineering, specifies the temporal rate of change observed in oscillatory and periodic phenomena, such as mechanical vibrations, audio signals (sound), radio waves, and light.

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