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Physics, 19.07.2019 02:00 aaqa3735

Acar approaching a stationary observer emits 450. hz from its horn. if the observer detects a frequency pf 470. hz, how fast is the car moving? the speed of sound is 343 m/s.

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Acar approaching a stationary observer emits 450. hz from its horn. if the observer detects a freque...

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