How To Solve Doppler Effect Physics Problems
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- čas přidán 27. 08. 2024
- This physics video tutorial provides a basic introduction into the doppler effect of moving sound waves. it explains how to solve doppler effect problems in physics. Any time the source moves toward the observer or if the observer moves toward the source, the detected frequency will increase - that is - the observed frequency will be greater than the frequency emitted by the source. The source can be an ambulance truck or a police siren. If the source moves away from the observer or if the observer moves away from the source, the detected frequency will decrease. This video contains plenty of examples and practice problems of calculated the frequency detected by the observer.
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Direct Link to The Full Video: bit.ly/2YCGmlT
PDF Worksheet - 10 Questions: bit.ly/3X9Ntel
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Hi sir! For the last answer:
Since you are using direction doesn't the sign change.
Doesn't Fo=900(343+25)/(343-20) become Fo = 900(343+25)/(343+20) since you have to take direction into consideration or.....
you taught me more about the doppler effect in 30 mins than my physics teacher did in 200 mins of complete waffle. ive watched quite a few of your vids and youve completely changed my grades. ill never be able to thank you enough.
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I was trying to wrap around my brain on this for the past 3 hours with insignificant progression till I stumbled upon this video. The explanation is logically systemic and the examples are just perfect. That begin said, I actually clearly understood the concept of Doppler effect within 20 mins. Always a life saver JG! Thank you!
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Thank you so much for teaching the doppler effect! You explained it very well and those practices made it 10x better.
SHEESh explaining the denominator and numerator importance cleared it all up, thank you
Very nice, now I am able to solve any problem of Doppler effect, thank you very much
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Omg thank u so much I never thought I was gonna understand this lesson I was literally hopless I remember in the term exam I just memorized the all 6 formulas without understanding how to use and it showed up in the exam and even though I had all the 6 formula in hand I couldn't use bc I didn't have an idea if it I just kept trying by replacing the v's values around and the time went off and they took the paper exam🙂 but now I understand it thank u soo much again u literally saved me 😫
Thank you so much I was confused about the Doppler effect and after 20 mins I can now understand such a great video
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I had never understood this effect till class 11 but now I finally got a real phenomenon of this effect and it's application
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I tried calculating the relative velocity of the observer and source and tried to make the fraction simple but my answer differs a bit... But they are close
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Hello, This lesson is very useful, I extend my gratitude to you. But if possible tell if we can have Doppler effect if both source and observer are at rest?
No
no, because doppler effect is caused by relative motion between the source and the observer
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Can you consider the ambulance question but if the ambulance is parked and the observer travels toward the ambulance at the same speed, 30 m/s. Logically, I feel as though the answer should be the same, however, when worked out, the original f' is ~877Hz and in my question it is ~870Hz. Can you explain why there is a difference in observed frequency between these scenarios? Thank you.
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