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Physics, 22.05.2020 00:58 cutebab4786

A student hears a police siren. What would change the frequency that the student hears? Check all that apply. *

1. if the student walked toward the police car
2. if the student walked away from the police car
3. if the police car moved toward the student
4. if the police car moved away from the student
5. if the intensity of the siren increased
6. if the intensity of the siren decreased

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