Saturday
April 18, 2015

Homework Help: physics

Posted by Marco on Saturday, December 3, 2011 at 6:27pm.

A wave traveling along the x axis is described mathematically by the equation y = 0.15 sin (7.5πt - 0.49πx), where y is the displacement (in meters), t is in seconds, and x is in meters. What is the speed of the wave?

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