Doppler effect coffee mug

Marsoni

M251S

$14.18

Get it in 3 business days with 1 day shipping. Friday, May 29

Doppler effect coffee mugCoffee mug design visualizing the Doppler effect Doppler effect or doppler shift is when a source of wave is moving away or towards an observer. As a result the wave frequency is increased or decreased and the amount of change depends on the speed of the moving object. This is the reason that the siren of an emergency vehicle passing us sounds higher as it approaches us and after it passes us it's higher. Another very common instance of it is the so

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I’m writing this for my 2022 Honda Accord Sport 2.0T.. Honda wanted to charge me $85 to replace the air filter, immediately after I bought this filter for $17. Just changed it 5 minutes ago and let me tell you, it was identical to the oem Honda filter. Fit perfectly, quality was same if not better then the original one. Functions amazing and air quality is great. Car definitely felt happy after replacing it. 10/10

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Reviewed in the United States on July 20, 2025

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Nick C

Louisville, US

★★★★★ 5

Direct replacement

Size: (Pack of 1)

Direct replacement on my 2020 Accord 2.0T. Fit just like factory.

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Reviewed in the United States on February 23, 2026

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SC_SAHM

West Palm Beach, US

★★★★★ 5

Routine Maintenance

Size: (Pack of 1)

This is my go-to replacement when I conduct maintenance on my personal vehicle. The item is amazingly easy to install (use YouTube tutorials if necessary). The quality and value for the money is better than what I can receive at my local service center. The option to order this every six months as Subscribe & Save is worth it!

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Reviewed in the United States on May 26, 2025

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Joy Lokey

Phoenix, US

★★★★★ 5

Great alternate

Size: (Pack of 1)

This fit my 2018 Honda Accord perfectly, great price, easy replacement. Dealer wanted $50 to do it for me, NO! :)

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Reviewed in the United States on January 9, 2025

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