Case 1: If the two waves are in stage so they include up plus the amplitude from the wave is Φ= ΨA + ΨB Another obligatory pieces would be the oldest write-up box during the country, courting to 1805, a 15th-century posy ring from Sandal Castle and also the boots https://milozaysi.blog-eye.com/29849597/helping-the-others-realize-the-advantages-of-knottingley