Решение задачи по физике раздел 65 пункт 89 волны

89. The equation for a plane wave has the form ξ (x, t) = 0.005cos (628t - 2x) (m). Determine: 1) the frequency of oscillation and the wavelength; 2) phase velocity; 3) maximum value of speed and acceleration of oscillations of particles of the medium.

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