Aperson watches an ambulance drive by them while emitting a steady sound from its siren. when the ambulance passes the person (switching from moving towards him to moving away from him), the perceived frequency of the sound he receives decreases by 8.50 percent. how fast is the ambulance driving? give your answer as a positive number. assume room temperature air.

hi there!

your question asks at which segment does freezing occur.

since we're talking about water, the freezing point of water will be 32 degrees fahrenheit or below.

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report!

explanation:

physics means: "the branch of science concerned with the nature and properties of matter and energy. the subject matter of physics, distinguished from that of chemistry and biology, includes mechanics, heat, light and other radiation, sound, electricity, magnetism, and the structure of atoms."

the answer is 12 as i may remember

: )