Two out-of-tune flutes play the same note. One produces a tone that has a frequency of 242 Hz, while the other produces 285 Hz. When a tuning fork is sounded together with the 242-Hz tone, a beat frequency of 19.0 Hz is produced. When the same tuning fork is sounded together with the 285-Hz tone, a beat frequency of 24.0 Hz is produced. What is the frequency of the tuning fork? Number Units

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Stretched string

A stretched string is a wire which is made up of any metal that must have a larger length compared to its thickness. The ends of the wire are fixed, and when they oscillate or are plucked, it produces two reflected transverse waves of the same frequency and same amplitude. The waves or pulses are traveling in alternate directions and superimpose with one another. This waveform is named standing or stationary waves.