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?
Stacey Warren - Expert brainly.com
Hey! We 've verified this expert answer for you, click below to unlock the details :)
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga.
Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus.
Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
(A) Sound waves from the siren remain constant. As the police car drives past Sam, the sound waves decrease in frequency.
(B) The frequency of sound waves from the siren increase. As the police car continues past Sam, the sound waves decrease in frequency.
(C) The frequency of sound waves from the siren decrease. As the police car drives past Sam, the sound waves increase in frequency.
(D) The frequency of the sounds waves from the siren increase and continues to increase as the police car passes and drives away from Sam.
Not the answer you are looking for? Search for more explanations.
i think that is the best option, but....
looking at the possible answer i don't think they are well expressed, since the freq of the siren is always the same!!! the person that hears the sound perceives a modified frequency due to the movement of the source.
but again if i had to pick one of those i would go with B