HESI A2 V1 EXAM QUESTIONS WITH ANSWERS VERIFIED LATEST UPDATE 2023/2024
Document Content and Description Below
HESI A2 V1 EXAM QUESTIONS WITH ANSWERS VERIFIED LATEST UPDATE 2023/2024 READING COMPEHENSION Doppler Effect Have you ever wondered why the whistle of a traveling, distant locomotive predic ... ts its approach several yards before anyone actually sees it? Or why an oncoming ambulance’s screaming siren is heard momentarily several feet before the ambulance comes into full view, before it passes you, and why its siren is still heard faintly well after the ambulance is out of sight? What you are witnessing is a scientific phenomenon known as the Doppler Effect. What takes place is truly remarkable. In both of these instances, when the train or ambulance moves toward the sound waves in front of it, the sound waves are pulled closer together and have a higher frequency. In either instance, the listener positioned in front of the moving object hears a higher pitch. The ambulance and locomotive are progressively moving away from the sound waves behind them, causing the waves to be farther apart and to have a lower frequency. These fast-approaching modes of transportation distance themselves past the listener, who hears a lower pitch. [Show More]
Last updated: 2 years ago
Preview 1 out of 71 pages
Buy this document to get the full access instantly
Instant Download Access after purchase
Buy NowInstant download
We Accept:
Reviews( 0 )
$10.00
Can't find what you want? Try our AI powered Search
Document information
Connected school, study & course
About the document
Uploaded On
Nov 26, 2023
Number of pages
71
Written in
All
Additional information
This document has been written for:
Uploaded
Nov 26, 2023
Downloads
0
Views
135
.png)
 (1).png)
