This article is rated Start-class on Wikipedia's content assessment scale. It is of interest to the following WikiProjects:

Physics: Fluid Dynamics Mid‑importance This article is within the scope of WikiProject Physics, a collaborative effort to improve the coverage of Physics on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.PhysicsWikipedia:WikiProject PhysicsTemplate:WikiProject Physicsphysics articles Mid This article has been rated as Mid-importance on the project's importance scale. This article is supported by Fluid Dynamics Taskforce.

Is a mach wave a sound wave? —Preceding unsigned comment added by 71.58.99.103 ( talk) 01:40, 7 April 2009 (UTC) reply