HESI A2 Exam V1 With A&P

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1. Which statement is not listed as a detail in the passage? A. The oncoming sound waves have a higher pitch because of high frequency and closeness of waves. B. The oncoming sound waves have a hig... her pitch because of low frequency and closeness of waves. C. The whistling sound of the locomotive as it approaches and passes can be explained by the Doppler effect. D. The high-pitched sound of the ambulance as it approaches and passes can be explained by the Doppler effect. 2. What is the main idea of the passage? A. Trains and ambulances make distinctly loud noises. B. Low-frequency waves make high-pitched sounds. C. High-frequency waves make low-pitched sounds. D. The Doppler Effect explains the rationale for why sound is heard initially more strongly and then faintly after a moving object has passed. 3. What is the meaning of the word phenomenon in the second paragraph? A. Something that is lifeless to the sensesB. Something that is nonchalant C. Something that is significant but unusual D. Something that is chemical in origin [Show More]

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