Two pendulums of length 1 21 m and 1 0 m start vibrating At

Last updated: 6/10/2023

Two pendulums of length 1 21 m and 1 0 m start vibrating At some instant the two are in the mean position in same phase After how many vibrations of the longer pendulum the two will be in phase 1 10 4 21 2 11 3 20