Asume that as narrow tunnel is dug between two diametricaly opposite points of
Channel: Doubtnut
Date: 28/06/2020

Asume that as narrow tunnel is dug between two diametricaly opposite points of the earth. Treat the earth as a solid sphere of uniform density. Show that ilf a particle is relesed in this tunel, ilt wil execute a simple harmonic motion. Calculate the time period of this motion.