Moving Point source: Doppler effect and shock wave

[ahmedelshfie]

I'm already to read HTML language and change value but even i meet any problem i will post my ask direct
Thanks prof so much for your explain.

[nicolepharris83]

i learned a lot. Very nice tools and visuals. thumbs up!
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[franklin.christensen]

Awesome,its really amazing I cant imagine about the shock waves.Your own belief process and giving others who may read this article is very nice it gives the benefit to the readers.Very well said.Thanks for sharing this nice articles you have provided for us.

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[sapanbot]

ขอบคุณ มากครับ

[koclup1580]

thank you