Statement of a problem № 42051


A stationary observer receives sonic oscillations from two tuning forks one of which approaches, and the other recedes with the same velocity. As this takes place, the observer hears the beatings with frequency v = 2.0 Hz. Find the velocity of each tuning fork if Chair oscillation frequency is v o = 680 Hz and the velocity of sound in air is v = 340 m/s.

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