Solving a problem in physics, section 24, paragraph 73

Solving a problem in physics, section 24, paragraph 73

73. What is the phase difference between the oscillation of two points if they are separated from each other by a distance of 3 m, and lie on a line perpendicular to the wave front. The wave propagation velocity of 600 m / s, and the oscillation period of 0.02 seconds.

Additional information:

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)