Social Studies, 04.08.2019 02:30, hardwick744

The loud sound of a police siren will cause

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Physics, 15.07.2019 09:30, 1846252

Sam is walking through the park. he hears a police car coming down the street toward him. what happens to the sound of the siren as the police car approaches and then passes sam? sound waves from the siren remain constant. as the police car drives past sam, the sound waves decrease in frequency. the frequency of sound waves from the siren increase. as the police car continues past sam, the sound waves decrease in frequency. the frequency of sound waves from the siren decrease. as the police car drives past sam, the sound waves increase in frequency. the frequency of the sounds waves from the siren increase and continues to increase as the police car passes and drives away from sam.

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Physics, 16.07.2019 08:00, smith4kaay

Sam is walking through the park. he hears a police car siren moving on the street coming toward him. what happens to the siren sound as it approaches and then passes sam? a. as the siren approaches sam, the frequency of sound waves from the siren increase. as the police car continues past sam, the sound waves decrease in frequency. b. as the police car approaches sam, sound waves from the siren remain constant. as the car continues past sam, the sound waves decrease in frequency. c. as the police car approaches sam, the frequency of sound waves from the siren decrease. as the car continues past sam, the sound waves increase in frequency. d. as the police car approaches sam, the frequency of the sounds waves from the siren increases and continues to increase as the car passes and moves away from sam.

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Physics, 20.09.2019 05:30, sedratkawaiah13

Sam is walking through the park. he hears a police car siren moving on the street coming toward him. what happens to the siren sound as it approaches and then passes sam?

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Physics, 09.10.2019 04:20, iamabeast51

Aweather emergency siren is mounted on a tower, 129 m above the ground. on one hand, you would like to make the siren very loud so that it will warn as many people as possible. on the other hand, safety regulations prohibit you from exceeding an intensity level of 111 db for workers standing on the ground directly below the siren. assuming that the sound is uniformly emitted, what is the maximum power that the siren can put out?

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