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Please hand written answer and hopefull solutions. Physics The security alarm on a parked car goes off and produces a frequency of 949 Hz. The

Please hand written answer and hopefull solutions.

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Physics The security alarm on a parked car goes off and produces a frequency of 949 Hz. The speed of sound is 343 m/s. As you drive toward this parked car, pass it, and drive away, you observe the frequency to change by 103 Hz. At what speed are you driving

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