pmbeachy4091 pmbeachy4091 06-06-2023 Physics contestada Two sinusoidal waves have the same angular frequeny the same amplitude ym, and travel in the same direction in the same medium. If they differ in phase by 50∘ the amplitude the resultant wave is given by a. 0.64 ym b. 1.3 ym c. 0.91 ym d. 1.8 ym