Two particles are executing simple harmonic motions with equal frequency and amplitude. When the displacements of the two particles are half of their amplitudes, they cross each other in mutually opposite directions. What is the phase differecne of their vibrations?

Two particles are executing simple harmonic motions with equal frequen

1.	Two particles are executing simple harmonic motions with equal frequency and amplitude. When the displacements of the two particles are half of their amplitudes, they cross each other in mutually opposite directions. What is the phase differecne of their vibrations?
Answer» ANSWER :`120^(@)`