e to use your notes and book, but are not allowed the internet or other people.

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e to use your notes and book, but are not allowed the internet or other people. You may a open your textbook. 1 pts Question 11 At constant speed, a source of sound approaches, passes. and moves away from a stationary listener.The pitch of the sound heard by the listener o is constant as the source approaches the listener, drops abruptly as tho source passes and remains constant but lower as the source moves away is constant as the source approaches the listerer. riscs abruptly as the source passes and remains constant but higher as the source moves away gradually becomes higher gradualiy becomes lower Next McAlee Sale Connect New Mi-Fi connection

Explanation / Answer

Answer:-->gradually become lower.

Explanation:--> At first, the source sound is coming towards you, when the pitch is higher. After passing you, the siren is going away from you and the pitch is lower. This is a demonstration of the Doppler effect.

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