Friday
April 18, 2014

Homework Help: physics

Posted by edward on Sunday, January 13, 2013 at 3:25pm.

1. What are the examples of supersonic waves? 2. What is match cone, match no? 3. Define echo? 4. What is the effect of frequency on the velocity of sound in a gas? 5. Mathematical expression of beats. ''based on wave motion''

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