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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 15 - Oscillation and SHM > Two particles move parallel to x – axis about the origin with the same amplitude a and frequency w. At a certain instant they are found at distance A/3 from the origin on opposite sides but their velocities are found to be in the same direction. What is the phase difference between the two ?

Two particles move parallel to x – axis about the origin with the same amplitude a and frequency w. At a certain instant they are found at distance A/3 from the origin on opposite sides but their velocities are found to be in the same direction. What is the phase difference between the two ?

A simple pendulum is making oscillations with its bob immersed in a liquid of density n times less than the density of the bob. What is its period ?